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Arica

Arica is a commune and a port city with a population of 222,619 in the Arica Province of northern Chile's Arica y Parinacota Region. It is Chile's northernmost city, being located only 18 km south of the border with Peru. The city is the capital of both the Arica Province and the Arica and Parinacota Region. Arica is located at the bend of South America's western coast known as the Arica Bend or Arica Elbow. At the location of the city are two valleys that dissect the Atacama Desert converge: Azapa and Lluta. These valleys provide citrus and olives for export.

Arica is an important port for a large inland region of South America. The city serves a free port for Bolivia and manages a substantial part of that country's trade. In addition it is the end station of the Bolivian oil pipeline beginning in Oruro. The city's strategic position is enhanced by being next to the Pan-American Highway, being connected to both Tacna in Peru and La Paz in Bolivia by railroad and being served by an international airport.

Arica has an extremely dry climate, with almost no rainfall. Even so, the frequent maritime winds from the cold waters nearby renders a moderate desert climate. Its mild weather has made Arica known as the "city of the eternal spring" in Chile while its beaches are frequented by Bolivian society. The city was an important port already during Spanish colonial rule. Chile seized the city from Peru in 1880 during the War of the Pacific, being recognized as Chilean by Peru in 1929. A substantial part of African Chileans live in or trace their origins to Arica.

History
Archaeological findings indicate that Arica was inhabited by different native groups dating back 10,000 years. These people are the first known culture to mummify their dead, predating the Egyptians by 2,000 years, and their mummies have been discovered as recently as 2004 and buried as shallow as <1 meter beneath the city's surface.

Colonial period
Spaniards settled the land under captain Lucas Martinez de Begazo in 1541, and in 1570, the area was grandly retitled as "La Muy Ilustre y Real Ciudad San Marcos de Arica" (the very illustrious and royal city of San Marcos of Arica). By 1545, Arica was the main export entrepot for Bolivian silver coming down from Potosí, which then possessed the world's largest silver mine. Arica thus held a crucial role as one of the leading ports of the Spanish Empire. These enviable riches made Arica the target for pirates, buccaneers, and privateers, among whom Francis Drake, Thomas Cavendish, Richard Hawkins, Joris van Spilbergen, John Watling, Baltazar de Cordes, Bartholomew Sharp, William Dampier, and John Clipperton all took part in looting the city.

Peruvian period (1821–1880)
Following the collapse of Spanish rule, in 1821, Arica was part of the recently independent Peruvian Republic. The Peruvian Constitution of 1823 regards it as a province of the Department of Arequipa. In 1855, Peru inaugurated the Arica-Tacna railroad (53 km long), one of the first in Latin America. The rail line still functions today.

The earthquake of August 13, 1868 struck near the city with an estimated magnitude of 8.0 to 9.0 Estimates on the death toll vary greatly, some estimates have the number at 25,000 to 70,000 people. Others estimate that the population of Arica was less than 3,000 people and the death toll was around 300. It triggered a tsunami, measurable across the Pacific in Hawaii, Japan and New Zealand. As Arica lies very close to the subduction zone known as the Peru–Chile Trench where the Nazca Plate dives beneath the South American Plate, the city is subject to megathrust earthquakes.

Chilenization period (1880–1929)
Chilean forces occupied the region following the War of the Pacific. The Treaty of Ancón in 1883 formally acceded the region to Chilean control. The 1929 Tacna-Arica compromise in the Treaty of Lima subsequently restored Tacna to Peru but Arica remained part of Chile.

Modern Arica (1929–present)
In 1958, the Chilean Government established the "Junta de Adelanto de Arica" (Board of Development for Arica), which promulgated many tax incentives for the establishment of industries, such as vehicle assembly plants, a tax-free zone, and a casino, among others. Many car manufacturers opened plants in Arica, such as Citroën, Peugeot, Volvo, Ford and General Motors, which produced the Chevrolet LUV pickup until 2008.

In 1975, together with Chile's new open economy policies, the "Junta de Adelanto de Arica" was abolished.

The Arica and Parinacota Region was created on October 8, 2007, under Law 20.175, promulgated on March 23, 2007, by President Michelle Bachelet in the city of Arica.

Promel toxic waste dumpsite
In 1984-1985, the Swedish metal company Boliden Mineral AB paid a local mineral extracting company, Promel Ldta., 10 million SEK ($1.2 million, $3.15 million in 2021 dollars) to receive, treat and confine around 20,000 tonnes of smeltery sludge from Rönnskärsverken in Skellefteå, containing among other things high levels of lead, arsenic, cadmium, mercury and iron and smaller amounts of gold and silver. To earn additional income, Promel planned to extract various substances from the waste at its processing plant at Sitio F in the outskirts of Arica. The end products were mainly raw arsenic and iron-silver-gold oxides. The first shipment arrived in Arica in August 1984 and the processing of 500 kg test batches in October 1984 gave positive results with oversight from an official from the Chilean Health Authority in Santiago. After the sludge processing had begun at large scale and the third and last shipment of sludge arrived to Promel's plant in Arica in July 1985, contact between Boliden and Promel ceased.

In the late 1980s, Promel ceased all activities at Sitio F for unknown reasons and abandoned the remaining 10,000 tons of the highly toxic smelting sludge out in the open exposed to the elements. The area surrounding the plant was later used by the local authorities to build state-sponsored social housing aimed at low-income families. No physical barrier between the former plant and the residential area existed at the time. Residents of the new neighborhood had no knowledge about the contents of the sludge at the site, which became used as a playground by children.

In the 1990s, many residents around the former plant began to show symptoms of lead and arsenic poisoning. In 1998, the Chilean authorities ordered Promel to move the toxic waste. Promel moved the sludge to a walled area on the other side of a nearby hill and covered the material with a plastic mat. It was supposed to be a temporary storage site, yet the material remains there to this day. Cleanup of the remaining parts of Sitio F finished as late as 2010. Even after the removal of the sludge, the health effects on the local population continue to be devastating. Almost 8,000 residents were tested for toxic substances in 2010. Of the 6600 people that got results back from the Chilean Health Authority, 12.9% showed arsenic in their urine samples. Studies have found very high rates of arsenic related lung cancer, bladder cancer, kidney cancer and skin cancer in the local population. Other health effects include non-cancerous heart and lung diseases and fertility problems such as low birth weights and spontaneous miscarriages.

In 2013, 796 Arica residents, including human rights defenders, started legal action in Sweden against Boliden. The Court of Appeal for Northern Norrland held that the claims of the victims were time limited, and the Swedish Supreme Court declined to hear the case.

Demography
According to the 2017 census by the National Statistics Institute, Arica spans an area of 4799.4 sqkm and has 222,619 inhabitants (110,115 men and 112,504 women). The population grew by 20% (37,351 people) between the 2002 and 2017 censuses. Arica is home to 97.7% of the total population of the region.

The population of Arica is made up of various long-established groups in the region, and other more recent arrivals settled at differing times. Among the long-established groups, the oldest consists of indigenous Amerindians, such as the Aymara, whose presence in the region is of several millennia. These are followed by the second oldest, the local colonial-era groups, which includes local mestizos (of mixed Spanish-Amerindian origin), local criollos (whites of colonial Spanish origin), and local afrodescendants of colonial-era slaves. The third oldest group consists of early post-colonial Chinese Chileans who first arrived as miners and rail workers in the 1890s.

These long-established groups of Ariqueños have been augmented by various later settlers, mostly other criollos and mestizo Chileans from elsewhere around Chile, but also numerous Europeans, who arrived in the 1900s, including more Spaniards arriving from Spain, as well as Italians, Greeks, British, and French. These arrived at different times during the last century.

Some Ariqueños, primarily the indigenous Amerindians, but also the afro-descendants, share cultural affinities to counterpart populations in neighbouring border areas of Peru, and more distantly, Bolivia.

The urban area of Arica has 175,441 inhabitants in an area of 41.89 km2. Arica in 2007 had more than 185,000 inhabitants (not counting the inhabitants of the valleys and Lluta Azapa, with that reach almost to the 194.000 inhabitants). The growing city of Arica spreads outward into the desert and the Peru-Chile border. The Azapa Valley has developed a year-round agricultural economy due to improvements in irrigation and transportation of its products.

The villages that make up the commune are Villa Frontera and San Miguel de Azapa. Some hamlets are Poconchile, Molinas, Sora, Las Maitas and Caleta Vitor.

Arica was made famous in 1970 by the spiritual master Oscar Ichazo when he held a 10-month training there for 50 North Americans from the Esalen Institute in California. The Arica School, based in the United States of America, has influenced thousands of people all over the world.

The commune of Arica is composed of 19 census districts.

Source: INE 2007 report, "Territorial division of Chile"

Notable residents

 * Jean-François Dauxion-Lavaysse, a Frenchman, born in 1770 or 1775, died on 8 July 1829 in Arica. He was the first director of the Chilean National Museum of Natural History and the Botanical Garden.
 * Dante Poli – former footballer
 * Hipólito Unanue – physician, and briefly President of Peru
 * Izkia Siches, former Vice president and minister of the interior of Chile.
 * Américo – singer
 * Chañaral Ortega-Miranda (b. 1973) – classical composer

Economics
Arica is the economical powerhouse of its region. It is an enormous trade and shipping point and vital for the maritimal access of Bolivia.

Features
The Morro de Arica is a tall, nearly-vertical rock formation and hill located in the city, situated approximately 139 meters above sea level. It was the last bulwark of defense for the Peruvian troops who garrisoned the city. It was attacked and captured on 7 June 1880 by Chilean troops, as the final effort of their Campaña del Desierto (Desert Campaign) during the War of the Pacific.

Near to the city center is the Azapa Valley, an oasis where vegetables and, famously, Azapa olives are grown. Economically, it is also an important port for Chilean ore. The semi-tropical latitude, combined with the low humidity and the city's beaches, have made Arica a popular tourist destination. It is also a center of Chilean rail networks with Bolivia. For air travel, the region is serviced by Chacalluta International Airport.

Arica has strong ties with the city of Tacna, Perú. Many people cross the border daily as they travel between the two cities, partially due to the many services (for example, dentists, doctors, etc.) that are cheaper in Perú. Arica is connected to both Tacna and to La Paz via separate railroad lines.

Climate
According to the Köppen Climate Classification system, Arica has a hot desert climate, abbreviated "BWh" on climate maps. Unlike many other cities with arid climates, Arica seldom sees extreme temperatures throughout the course of the year and it is also relatively overcast. Arica is also known as the driest inhabited place on Earth, at least as measured by rainfall: average annual precipitation is 0.76 mm (0.03 inches), as measured at the airport meteorological station.

Administration
As a commune, Arica is a third-level administrative division of Chile administered by a municipal council, headed by an alcalde who is directly elected every four years. The 2008–2012 alcalde is Waldo Sankán Martínez (Independent).

Within the electoral divisions of Chile, Arica is represented in the Chamber of Deputies by Mr. Vlado Mirosevic (Partido Liberal) and Mr. Luis Rocaful as part of the 1st electoral district, which includes the entire Arica and Parinacota Region. The commune is represented in the Senate by José Miguel Insulza (PS, 2018–2026) and José Durana (UDI, 2018–2026) as part of the 1st senatorial constituency (Arica and Parinacota Region and Tarapacá Region).

Sports
Arica was one of the four host cities of the 1962 FIFA World Cup, and it was the venue for a Rip Curl Pro Search surfing event that took place from June 20 to July 1, 2007. Arica plays host to a leg of the International Bodyboarding Association's world tour event every year at the notorious "el flops" surf break. The event has been running since 2004.

Tourist attractions

 * 1) Morro de Arica: the prominent mount rising above the city, affording sweeping views.
 * 2) Catedral de San Marcos de Arica: the magnificent church designed by Gustave Eiffel was built in the 1870s.
 * 3) Plaza Colón: the civic heart of the city, the public square is where its residents congregate for celebrations, diversions or just being a part of the community.

Other attractions include the former house of the Governor, the Former Arica Custom House, railway station Arica-La Paz, the Archaeological and Anthropological Museum of San Miguel de Azapa, Sea and Historical Arms and Arica. For evening entertainment there is the Casino de Arica.

Beaches
More than 20 km of beaches, many known for the quality of surfing, span across the Coastal Range in the northern sector. The harbored location makes these beaches unique from other cities in Chile in terms of topography.

From north to south the beaches are located Las Machas, Chinchorro, del Alacrán, El Laucho, La Lisera, Brava, Arenillas Negras, La Capilla, Corazones and La Liserilla.

Other tourist sites

 * Chungará Lake: Arica is the main access road to the lake, the 29th highest in the world (and the 10th highest in South America), with an approximate height of 4517 metres. It is located within the Lauca National Park.
 * Pucará de Copaquilla: about 3,000 metres above sea level, dates from the 12th century, declared National Monument, located on a promontory that serves as the defence has a double stone wall, which protects a series of internal spaces. From this point it is possible to observe the pre-and streams.
 * Termas de Jurasi a few miles southeast of Putre, by Ruta 11-CH, turning off a dirt road. Underground waters are home to temperatures above 40 C which are reputed to have medicinal properties.
 * Surf Arica is a world-famous spot for surfing. The wave known as "El Gringo" hosts surfing and bodyboarding world championships every year. In 2007, Arica was the site for an ASP world tour contest. Others stops on this tour include Hawaii, Tahiti, Fiji and South Africa.

Transport
Passenger train services on the Arica–La Paz railway ceased in 1996, but as of 2017 there were proposals to restart services from Arica as a tourist attraction (and for freight).

In 2011, Chile announced plans to privatise the Port of Arica. These were opposed by Bolivia, as Arica is its main sea port.

Chacalluta International Airport is the main airport in Arica and is located 18.5 km north of the city. LATAM Chile, Amaszonas, JetSmart, and Sky Airline have scheduled commercial service to several Chilean airports.

title: Arica


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Fill trestle

A fill trestle or filling trestle is a temporary construction trestle that is built to provide a scaffolding for the placement of fill or an earthen dam. Typically, the trestle is built across the valley and a railway is laid across the trestle. Specially designed side-dumping railroad cars filled with earth or gravel are pushed onto it and dumped, burying the trestle. Typically, a fill trestle is constructed out of wood which remains buried in the fill and eventually decomposes. Advances in construction technology, particularly the development of the dump truck, have rendered the fill trestle technique obsolete.

license: Creative Commons - Attribution Share-Alike - https://creativecommons.org/licenses/by-sa/4.0/

title: Fill trestle


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Latter Day Church of Christ

The Latter Day Church of Christ (LDCC) or Davis County Cooperative Society (DCCS) is a Mormon fundamentalist denomination within the Latter Day Saint movement. The DCCS was established in 1935 by Elden Kingston, son of Charles W. Kingston, and in 1977 members of the DCCS organized the Latter Day Church of Christ. Media outlets often refer to the organization as the Kingston Group, and internally it is known as "the Order" or "the Co-op".

There are approximately 3,500 members, some of whom are known to practice polygamy. The current leader is Paul Elden Kingston.

Establishment
Historians and other scholars who have studied the group have identified several doctrinal and socio-economic factors leading to its establishment. These factors originated in the family of Elden Kingston, his father Charles Kingston, and other family members or closely-affiliated people, many of whom were originally members of the LDS Church. Doctrinally, they fell out with the Church on two issues: the consecration of wealth, and plural marriage.

According to his autobiography, Charles W. Kingston became disenchanted with the Church of Jesus Christ of Latter-day Saints (LDS Church) in 1926 because it abandoned plural marriage. Kingston began preaching polygamy amongst fellow members of the LDS Church and distributing pamphlets and the book he had co-written, Laman Manasseh Victorious: A Message of Salvation and Redemption to His People Israel, First to Ephraim and Manasseh. This resulted in his excommunication from the LDS Church in 1928.

Charles W. Kingston eventually converted his son Elden to his beliefs and on January 1, 1935, Elden along with his two wives, Ethel Gustafson and Afton Brown took steps to officially begin the cooperative in Bountiful, Utah. From 1935 to 1940, Elden Kingston's followers, including his father Charles W. Kingston, began to move to Bountiful, Utah, intending to live under a United Order communal program as defined by Joseph Smith in the Doctrine and Covenants.

On September 19, 1941, the community founded by Elden Kingston officially filed for recognition with the State of Utah as the Davis County Cooperative Society Inc. The corporation produces goods and services that are used by members, and sold or traded to other cooperatives and to the public. In 1977, Elden's brother Ortell Kingston began to file for legal recognition of the church later organized as The Latter Day Church of Christ.

The Latter Day Church of Christ is based in Salt Lake City, Utah, with a presence in Bountiful, Utah.

Business activities
The organization owns an extensive portfolio of business and land assets throughout the western United States, including a 300 acre dairy farm in Davis County; a 3200 acre farm in Tetonia, Idaho; a coal mine in Emery County; 1200 acre in Terreton, Idaho; discount and grocery stores; Desert Tech Firearms; and a restaurant supply company. A 2004 estimate put the value of these assets at more than $200 million, while ethnographer Janet Bennion estimated a value of $150 million in 2011.

The organization is tight-lipped about their business activities. Some of their secrecy might be attributed to a fear of arrest for living in plural marriages, as had happened in 1959–1960 when being investigated by the Davis County Grand Jury, which some members claimed was organized by LDS Apostles Mark E. Peterson and Spencer W. Kimball. The Grand Jury was described as "The polygamist hunting Davis County Grand Jury" by the Ogden Standard-Examiner in 1959. That same year, Ardous Kingston Gustafson, a mother of four and founding Co-op member, was jailed on Christmas Eve when she could not produce membership lists used to further the court's investigation into charges of cohabitation.

The Cooperative had its birth during the Great Depression when many families struggled immensely to provide for their families. For many years, members of the Cooperative lived in poor conditions, and had no legal way to apply for assistance.

Long-time leader John Ortell Kingston lived in a small one-story clapboard house in Salt Lake City up until the time of his death in 1987. J. Ortell Kingston aggressively pursued a financially-expansive agenda for the Davis County Cooperative Society Inc. in the hopes of improving the financial condition of his followers.

Since the mid-1990s, many members have become college-educated and live in middle-to-upper-middle-class homes throughout their communities. Currently the group claims that although different skillsets bring different financial outcomes, there is no homelessness within the DCCS, and internal programs exist for those experiencing financial poverty.

Beliefs
The Latter Day Church of Christ is based on a belief in Jesus Christ and the restoration of his gospel in these latter days. It is not affiliated with the mainstream LDS Church. Doctrinally, members of the LDCJC try to adhere to the teachings of the Bible, the Book of Mormon, the Doctrine and Covenants, and the Pearl of Great Price. Members of the Latter Day Church of Christ are also members of the Davis County Cooperative Society (a separate organization and legal entity) which practices the law of consecration and United Order. Some members had begun the practice of plural marriage years before the establishment of the cooperative.

During the first years of the Davis County Cooperative Society, Elden Kingston and his followers wore unique blue denim outer garments that led to people referring to them as "blue-coats." Men and boys wore blue coverall-type suits tied with strings; women and girls wore plain blue denim dresses. As a symbol of their renunciation of worldly goods, the outer clothing contained no pockets in which possessions could be carried, although later an inside pocket was provided for the sanitary measure of carrying a handkerchief. All went bareheaded and barefoot. This practice was abandoned sometime before 1940. Members today wear normal modern clothing, although they are encouraged to be modest and keep a high standard of dress.

According to a 2011 document prepared by attorneys general Mark Shurtleff and Tom Horne, members of the DCCS describe it as emphasizing family values, education, self-sufficiency, and the belief that every child is a priceless blessing. Children are allowed to attend public school and many go on to college. Former members leaving the group in the 1980s and 1990s allege that some were paid in "units" instead of money and that many of their life decisions were made for them. Some members also claim there is an "inner circle" who are entitled to more wives and better jobs.

In 2016, some members of the LDCC helped start Vanguard Academy charter school in West Valley, which continues to operate today. Many high school aged children from the LDCC are believed to attend the school.

Consanguineous marriages
Plural marriage is practiced by some members of the LDCJC and "members are free to choose their marriage partner or partners, as marriage is considered an individual's or family's personal choice," according to author Craig Foster in his book American Polygamy (2019). After two decades of raids from law enforcement from 1935 to 1957, it is believed some members of the church began to practice consanguineous marriage between relatives. This practice has been attributed to "endogamous preference and the small size of the group’s population" according to active members and recent research from the University of Santa Clara California (2019). The group claims no preference for any particular family or surname stating members join every year "from a variety of different backgrounds and surnames."

In the late 1990s, three members of the LDCJC faced scrutiny for entering into incestuous relationships.

These cases included: These relationships are defined as incestuous according to Utah's Criminal Code 76-7-102 (2021).
 * Jason Kingston had a relationship with his half-sister Andrea Johnson, who became pregnant in 1992. She suffered from preeclampsia before being brought in for medical treatment. A C-section was performed to save the baby, but Andrea died. Salt Lake County officials opened an investigation into the possibility that obstetrical care was withheld to conceal the relationship.
 * Jeremy Kingston was sentenced to a year in prison in 2004 for entering a relationship with LuAnn Kingston, his cousin and aunt, as his fourth wife in 1994; their relationship began when he was 24 and she was 15.
 * David Kingston married his 16-year-old niece Mary Ann Nelson, who attempted to run away but was apprehended and beaten by her father, John Daniel Kingston. He was arrested and pleaded "no contest" to the charge of child abuse and served seven months in jail. David Kingston was convicted of incest and unlawful sexual conduct and sentenced to a 10-year prison term, of which he served four years. Mary Ann later filed a $110-million lawsuit against other members of the Cooperative, alleging intentional sexual abuse of a child and intentional infliction of emotional distress, but the lawsuit was eventually dropped without any settlement.

Underaged marriage
Members of the LDCC have faced two lawsuits, one in 2006 and one in 2022 accusing members of sexual abuses and underaged marriages. The 2022 complaint was filed by attorney and TV producer Roger Hoole. In 2009, the then-Attorney General of Utah, Mark Shurtleff, claimed that child marriages within polygamous societies in Utah, such as the Latter Day Church of Christ, had "effectively stopped". The latest suit takes issue with alleged marriages as young as 16 within the Latter Day Church of Christ. Current Utah law allows individuals 16 and 17 years of age to marry with court approval. In February 2023, the 2022 lawsuit was voluntarily dismissed in State Court with attorneys for the plaintiffs promising to re-file a similar case in Federal Court. Attorney Roger Hoole re-filed a similar case in federal court as a racketeering lawsuit in March of 2024.

The LDCC continues to publicly denounce the practice of child marriage, and maintains that marriages within the group are not coerced. In 2007, the group told Deseret News that it was encouraging its members to wait until their partners were 18 to marry them, with one member reporting that "we do encourage them to be 18". Responding to child marriage allegations in September 2022, the organization told The Guardian that "current policy prohibits plural marriage for members under 18" and "once an individual has made a decision on who to marry, members are encouraged to seek the blessing of their parents, family and/or church leaders, but to say that one individual chooses or heavily influences who will marry who is entirely inaccurate".

Financial fraud
In 2016, the State of Utah with federal law enforcement raided various properties in connection with the Kingston family or Davis County Cooperative Society with the intention of finding welfare fraud. The State of Utah stated: "It was a specific investigation that we were approached by [federal law enforcement] to participate in." After two years of investigating, they did not find any welfare fraud. "State investigators found no wrongdoing among members of the Davis County Cooperative Society, also known as the Kingston Group." Members claim they have been broadly and unfairly targeted by authorities for the negative actions of a small few. Members allege to have been targeted for audit at a rate over nine times the published IRS average for the general population, with no pattern of fraud being found outside of a couple of bad-actors.

In July 2019, Jacob Kingston, Isaiah Kingston, and two others pled guilty to participating in a fraud scheme masterminded by Lev Dermen, a non-member and Armenian national. The scheme included filing for $512 million in federal renewable-fuel tax credits from 2010 to 2016 through a company named Washakie Renewable Energy LLC. One of the guilty pleas states they "cycled" fraud proceeds through a number of international partners and then back to Washakie's bank accounts, falsely claiming them as loans or profits. A small portion of the funds (less than 6%) were also used to purchase legitimate goods and services from businesses who provided them in "good faith". Legitimate businesses, including those in the Cooperative, argued that Jacob hid the scheme from business partners as well as Co-op leadership. The remainder of the transactions (over 94%) were to entities associated with Lev Dermen, who prosecutors allege was the mastermind of the scheme. Dermen was found guilty of masterminding the scheme in March 2020. As part of the plea deal and restitution, the company forfeits rights to a number of assets including their bio-fuel plant in Plymouth, Utah. WRE has since become defunct.

Davis County Cooperative leadership and members swiftly condemned the fraudulent behavior stating that "[Jacob] broke from tradition in many ways" and stressing "to members and non-members alike that this behavior is not in line with our beliefs or principles." And, "We cannot and will not condone or support anyone found to be engaged in any fraudulent behaviors." In a recent lawsuit, ex-members allege that the WRE case was an example of the concept of "bleeding the beast." However, the group reiterated its belief that "bleeding the beast" was "abhorent" and was "never a tenet" of its organization.

In April 2023, Jacob, Isaiah and two other members were sentenced to federal prison with their sentences ranging between 6 and 18 years. Lev Dermen was sentenced to 40 years.

Leaders

 * Paul Elden Kingston, (1987–current)
 * John Ortell Kingston (1948–87)
 * Elden Kingston (1935–48)
 * Charles W. Kingston (founder's father, patriarch, supported leaders from 1935 until his death in 1975)

title: Latter Day Church of Christ


text:
Aeritalia G.222

The Aeritalia G.222 (formerly Fiat Aviazione, later Alenia Aeronautica) is a medium-sized STOL military transport aircraft.

It was developed to meet a NATO Basic Military Requirement 4; accordingly, it was originally designed with lift engines for a V/STOL capability, but these were never fitted to production aircraft. No wider NATO production contact were emerged, but Italy was keen to support its homegrown transport aircraft and issued an order for it in a more conventional configuration. Following its introduction to Italian Air Force service in April 1978, the type soon proved itself to be capable for conducting operations from compact and austere airstrips, particularly humanitarian missions.

Various export customers emerged for the type during the 1980s and 1990s. Libyan efforts to purchase 20 G.222s were initially vetoed by United States; Libya later procured a version of the aircraft without US-made equipment present instead. The United States purchased 10 G.222s in the 1990s, designating the type C-27A Spartan. During the 2000s, as the Italian Air Force withdrew their original G.222s due to their advancing age, these aircraft were commonly refurbished and subsequently sold onto other nations; via this approach, several G.222s were dispatched to Afghanistan during the War in Afghanistan.

A modernised variant, the Alenia C-27J Spartan, has been developed during the early 21st century. While it retains many aspects of the original aircraft, the C-27J adopts the same engines and many of the systems used on the larger Lockheed Martin C-130J Super Hercules. Several G.222 operators, including the Italian Air Force, have opted to retire their fleets in favour of new-built C-27Js.

Origins
In 1962, NATO issued a specification for a V/STOL transport aircraft (NATO Basic Military Requirement 4), capable of supporting dispersed V/STOL fighters. Fiat's design team, led by Giuseppe Gabrielli, produced a design to meet this requirement, designated G.222; it was to be powered by two Rolls-Royce Dart turboprop engines and with six to eight Rolls-Royce RB162 lift engines to give VTOL capability. According to Aeritalia, the G.222 designation is derived from the first letter of the aircraft's chief designer; the first '2' referring to the twin-engine arrangement, and the final '22' referring to the revised NATO Basic Military Requirement 22 to which it had been submitted.

None of the submissions resulted in a production contract; however the Italian Air Force (AMI), who was at the time seeking a replacement for the Fairchild C-119 Flying Boxcar, felt that the Fiat Aviazione proposal had merit, and placed an order for two prototypes and a ground-test airframe in 1968. The G.222 was substantially redeveloped from the NATO submission, the V/STOL lift engines having been omitted completely and the conventional Dart engines replaced by a pair of General Electric T64s; the twin-boom tail featured on the V/STOL concept was also eliminated and replaced by a more conventional single tail configuration; subsequently the new aircraft had no V/STOL capability but retained considerable short take-off/landing (STOL) performance.

On 18 July 1970, the first prototype performed the aircraft's maiden flight with test pilot Vittorio Sanseverino at the controls. By late April 1971, the prototype had reportedly conducted a total of 22 flights and accumulated 50 hours of flight time, during which its performance was claimed to have been highly close to predictions. In December 1971, the Italian Air Force, who had placed a provisional order for the developing type, formally began evaluating the G.222 and the performance of the two prototypes then in service. Following a successful testing period, the AMI contract for 44 aircraft was issued to Aeritalia (of which Fiat Aviazione had since become a part). In December 1975, the first production aircraft conducted its first flight. In April 1978, this same aircraft formally entered service with the AMI. Following on from its introduction by the AMI, the G.222 was procured as a tactical transport aircraft by various international customers, including Argentina, Nigeria, Somalia, Venezuela and Thailand.

In December 1978, Aeritalia elected to transfer final assembly of the G.222 from Turin to Naples, at which point a total of 44 firm orders had been obtained for the type and one aircraft per month was being manufactured. Manufacturing of the G.222 was broken down into various companies; construction of the fuselage was performed at Naples, the center-section of the wing was produced by Piaggio, the wing panels were made by Macchi, the tail surfaces were built by SIAI-Marchetti, the engine nacelles by IAM, and the T64 engines were license-manufactured by Alfa Romeo and Fiat.

Further development

In 1977, Libya sought the purchase of 20 G.222s; this was vetoed by the U.S. Government, who had imposed an embargo on military arms and equipment to Libya, which included the G.222's T64 engines. To get around this restriction, Aeritalia developed a version of the G.222 powered by the Rolls-Royce Tyne engine and other US supplied equipment was replaced by European equivalents; the more powerful Tyne engine also reportedly gave this variant superior "hot and high" performance. The provision of alternative powerplants was viewed by Aeritalia as a measure to widen the overall appeal of the G.222; the Tyne engine also reportedly possessed greater growth potential than the T64 engine. In May 1980, the first G.222 equipped with the Tyne engine performed its maiden flight. Libya placed an order for 20 Tyne-powered aircraft instead, with deliveries commencing from 1980.

In order to extend the effective operational lifespan of the type, some operators have carried out extensive upgrade programs of the G.222. In the aftermath of Italian humanitarian missions in Bosnia and Somalia, in 1996 the AMI began undertaking a major update program on their G.222 fleet; modifications include cockpit lighting changes for compatibility with Night Vision Goggles to enable night operations, increasing the aircraft's self-defense capabilities, new communications and navigation systems, and the removal of obsolete equipment. In July 2005, the Nigerian Air Force signed a $74.5 million contract with Alenia Aeronautica for the refurbishment of a total of five G.222s, as well as the purchase of a retired AMI G.222.

In 1990, the United States Air Force selected the G.222 as the basis of a "Rapid-Response Intra-Theater Airlifter" (RRITA). Operated under the designation C-27A Spartan, ten G.222s were purchased and underwent avionics upgrades by Chrysler Aerospace. These aircraft were stationed at Howard AFB, Panama. The USAF would later dispose of their C-27A fleet, partly due to shifting priorities between the Army and the Air Force and partly because of the impending introduction of a newer variant, the Alenia C-27J Spartan.

Design

The G.222 is a twin turboprop-engine tactical military transport aircraft, and is designed to be capable of transporting equipment or troops in combat zones and operating with minimal ground support. Early production aircraft were exclusively fitted with the General Electric T64-GE-P4D turboprop engine, the licence-built Rolls-Royce Tyne was made available as an alternative powerplant for the type from 1980 onwards, while the Allison T56 was another proposed powerplant for the type. Due to features such as double-slotted flaps, stacked brakes, and reversible propellers, the G.222 has excellent short landing capabilities and is able to land in as little as 1,800 feet. It was designed to be integrated with the larger, commonplace Lockheed C-130 Hercules.

The G.222's cargo deck can carry up to 9,000 kg (19,840 lb) of cargo, or alternatively up to 53 troops, or 32 paratroopers, or a maximum of 36 stretchers with six attending medics in a medevac capacity. The cargo deck has a large rear ramp, allowing the loading of palletised goods and vehicles, as well as sliding doors on either side of the fuselage, which are capable of being used to deploy paratroopers. Various pallet-based special mission equipment could be readily installed to enhance the aircraft's capabilities for diverse roles such as VIP transport, maritime patrol, aerial firefighting, and calibration functions; this equipment could also be removed quickly in order for aircraft to be returned to conventional transport missions. To easily facilitate the loading of a wide range of cargos, the height of the landing gear can be manually controlled.

In part due to the austere maintenance requirements of the G.222 and its capability of operating from short unprepared airstrips in remote regions, it has seen heavy use for performing various humanitarian missions across Africa, East Asia, Europe and Central America.

The cockpit provides excellent external visibility for pilots, most of the key controls are centrally placed between the two pilots, enabling the aircraft to be flown by a single pilot under certain circumstances. The standard G.222 is equipped with various avionics, such as a nose-mounted Doppler radar, navigational computers, radio systems, and a Rockwell Collins-built autopilot. Electronic receiver equipment and up to ten control consoles were installed upon a number of G.222s for performing electronic reconnaissance missions. Some aircraft were fitted with aerial refuelling probes and associated equipment. Some Italian G.222s have been equipped with a self-protection suite, which uses multiple forms of sensors to warn against identified threats, this suite also includes several countermeasures such as chaff and flare dispensers.

Operational history

In 1978, the 98th Group of the 46th Transport Air Wing became the first squadron of the Italian Air Force to receive the G.222. The type was promptly placed into a support capacity, not only to the Italian Air force but also for humanitarian and civil protection.

The G.222 has seen considerable service in air relief and military supply operations. From 1979 onwards, Italy, along with other Western nations, provided considerable military aid to Somalia, part of the Italian contribution was four G.222s. In 1982, three Ejército Argentino G.222s were operational during the Falklands War, and may have participated in a logistical capacity. In 1983, a single Italian Air Force G.222 was outfitted for fire suppression duties, alongside an existing C-130 in the same role.

On 3 September 1992, an Italian Air Force (Aeronautica Militare Italiana) G.222 was shot down when approaching Sarajevo airfield while conducting a United Nations relief mission. It crashed 18 mi from the airfield; a NATO rescue mission was aborted when 2 USMC CH-53 helicopters came under small arms fire. The cause of the crash was determined to be a surface-to-air missile, but it was not clear who shot it. Everyone on board – four Italian crew members and four French passengers – died in the crash.

In November 1999, the Italian Air Force placed an initial order for twelve new-build aircraft of an upgraded G.222 derivative, designated as the C-27J, as a replacement for their existing G.222s. In December 2002, Alenia Aermacchi agreed to purchase a total of 39 G.222s that had been previously operated by the Italian Air Forces under a trade-in arrangement as part of the agreed C-27J purchase. In 2005, the Italian Air Force started the phased retirement of their G.222 fleet. Several of the former Italian Air Force G.222s have been refurbished to operational conditions and resold by Alenia Aermacchi, the Nigerian Air Force became the first customer for these refurbished aircraft.

In September 2008, Alenia North America was awarded a USAF contract to upgrade and refurbish 18 G.222s, to be transferred to and used by the Afghan Air Force. Ballistic protection, adaptations for serving in the conditions of Afghanistan, and many new avionics systems, including a digital auto-pilot, were installed; two aircraft were also configured for VIP transport duties. On 28 April 2010, the first two of the Afghan Air Force's recently delivered G.222s made their first public display during the Mujahideen Victory Day. In January 2013, the USAF decided not to renew the support contract for the Afghan fleet due to claimed serviceability issues and operational difficulties; Alenia responded, stating that the fleet was exceeding the requirements laid out by the USAF, with 10–12 aircraft available for operations against the requirement for six. The 16 G.222s delivered to Afghanistan were scrapped in the summer of 2014 by the Defense Logistics Agency. After the U.S. spent $486 million to buy 20 C-27As, 16 were sold as scrap to an Afghan construction company for about $32,000; the planes were reportedly scrapped "to minimize impact on drawdown of U.S. forces in Afghanistan." The four remaining aircraft are stored at Ramstein Air Base, Germany, with the U.S. seeking other interested buyers. From January to September 2012, the Afghan C-27A fleet flew only 234 out of 4,500 required hours. The C-17A fleet had been procured for their keep attributes to enable them to operate in Afghanistan terrain, they were former Italian G.222. However, they ended up being replaced by C-130H after maintenance difficulties.

Variants

 * G.222TCM: Initial designation, two prototypes for the Italian Air Force

 * G.222A: Standard transport version for the Italian Air Force

 * G.222RM: (Radiomisura - "radio measurements")- radio/radar calibration aircraft

 * G.222SAA: (Sistema Aeronautico Antincendio - "aeronautical fire-fighting system") - fire-fighter equipped for dumping water or fire retardant chemicals. Four built for Italian Air Force.

 * G.222T: Version powered by the Rolls-Royce Tyne for the Libyan Air Force. Sometimes designated G.222L.

 * G.222VS: (Versione Speciale - "special version") ECM version - two built for Italian Air Force. Sometimes designated G.222GE.

 * C-27A Spartan: Ten G.222s purchased for the United States Air Force.

 * C-27J Spartan: See Alenia C-27J Spartan.

Operators

Current operators
 * There are no known current operators (March 2024)

Former operators
 * Afghan Air Force has received several former Italian Air Force G.222s under a USAF contract. Following upgrades by Alenia, deliveries began in 2009. By December 2012, 16 aircraft had been delivered; the USAF canceled the contract then because of lack of maintenance support from Alenia and scrapped them in summer of 2014.
 * Argentine Army Aviation had 3 aircraft. All retired as of December 2015.
 * Italian Air Force operated 56 aircraft (44 G.222A, 4 G.222RM, 4 G.222SAA, 2 G.222TCM and 2 G.222VS). Officially retired in September 2005, but at least 1 G.222VS aircraft remains operational.
 * Libyan Air Force operated 20 aircraft. By 2004, these had all reportedly been sold to a private company.
 * Nigerian Air Force operated a total of 6 aircraft, all now stored.
 * Peruvian National Police
 * Royal Thai Air Force operated 6 aircraft; retired as of 2010.
 * Somali Air Corps received 4-6 aircraft.
 * Tunisian Air Force ordered 5 aircraft never delivered.
 * Dubai had 1 aircraft (former operator).
 * United States Air Force operated 10 C-27A (1990–99)
 * US Department of State has 4 ex-USAF C-27As for transport in support of counter-narcotics activities in South America, primarily Colombia.
 * Venezuelan Air Force - 6 aircraft
 * Venezuelan Army - 2 aircraft
 * Somali Air Corps received 4-6 aircraft.
 * Tunisian Air Force ordered 5 aircraft never delivered.
 * Dubai had 1 aircraft (former operator).
 * United States Air Force operated 10 C-27A (1990–99)
 * US Department of State has 4 ex-USAF C-27As for transport in support of counter-narcotics activities in South America, primarily Colombia.
 * Venezuelan Air Force - 6 aircraft
 * Venezuelan Army - 2 aircraft
 * United States Air Force operated 10 C-27A (1990–99)
 * US Department of State has 4 ex-USAF C-27As for transport in support of counter-narcotics activities in South America, primarily Colombia.
 * Venezuelan Air Force - 6 aircraft
 * Venezuelan Army - 2 aircraft
 * Venezuelan Army - 2 aircraft

title: Aeritalia G.222


text:
Fill

Fill may refer to:

 * Fill dirt, soil added to an area
 * Fill (archaeology), material accumulated in a feature such as a ditch or pit
 * Material used in cut and fill to elevate a surface
 * Fill character, added in data transmission to consume time
 * Fill device, an electronic module used in cryptography
 * Fill (music), a short segment of instrumental music
 * Filling yarn, or weft, a component of fabric weaving
 * Fill flash, a photography technique
 * Fill light, used to reduce the contrast of a photographed, recorded, or staged scene
 * Flood fill, or fill pattern, an algorithm to add color or texture in computer graphics
 * Fill power, a measure of the "fluffiness" of a down product

People with the surname

 * Martino Fill (born 1939), Italian alpine skier
 * Peter Fill (born 1982), Italian alpine ski racer
 * Shannon Fill (born 1971), American TV actress

title: Fill


text: Category:Unincorporated communities in Ohio


text: Category:Italian military transport aircraft


text:
Panicum virgatum

Panicum virgatum, commonly known as switchgrass, is a perennial warm season bunchgrass native to North America, where it occurs naturally from 55°N latitude in Canada southwards into the United States and Mexico. Switchgrass is one of the dominant species of the central North American tallgrass prairie and can be found in remnant prairies, in native grass pastures, and naturalized along roadsides. It is used primarily for soil conservation, forage production, game cover, as an ornamental grass, in phytoremediation projects, fiber, electricity, heat production, for biosequestration of atmospheric carbon dioxide, and more recently as a biomass crop for ethanol and butanol.

Other common names for switchgrass include tall panic grass, Wobsqua grass, blackbent, tall prairiegrass, wild redtop, thatchgrass, and Virginia switchgrass.

Description
Switchgrass is a hardy, deep-rooted, perennial rhizomatous grass that begins growth in late spring. It can grow up to 2.7 m high, but is typically shorter than big bluestem grass or indiangrass. The leaves are 30 – long, with a prominent midrib. Switchgrass uses C4 carbon fixation, giving it an advantage in conditions of drought and high temperature. Its flowers have a well-developed panicle, often up to 60 cm long, and it bears a good crop of seeds. The seeds are 3 – long and up to 1.5 mm wide, and are developed from a single-flowered spikelet. Both glumes are present and well developed. When ripe, the seeds sometimes take on a pink or dull-purple tinge, and turn golden brown with the foliage of the plant in the fall. Switchgrass is both a perennial and self-seeding crop, which means farmers do not have to plant and reseed after annual harvesting. Once established, a switchgrass stand can survive for ten years or longer. Unlike corn, switchgrass can grow on marginal lands and requires relatively modest levels of chemical fertilizers. Overall, it is considered a resource-efficient, low-input crop for producing bioenergy from farmland.

Habitat
Much of North America, especially the prairies of the Midwestern United States, was once prime habitat to vast swaths of native grasses, including switchgrass, indiangrass (Sorghastrum nutans), eastern gamagrass (Tripsacum dactyloides), big bluestem (Andropogon gerardi), little bluestem (Schizachyrium scoparium) and others. As European settlers began spreading west across the continent, the native grasses were plowed under and the land converted to crops such as corn, wheat, and oats. Introduced grasses such as fescue, bluegrass, and orchardgrass also replaced the native grasses for use as hay and pasture for cattle.

Distribution
Switchgrass is a versatile and adaptable plant. It can grow and even thrive in many weather conditions, lengths of growing seasons, soil types, and land conditions. Its distribution spans south of latitude 55°N from Saskatchewan to Nova Scotia, south over most of the United States east of the Rocky Mountains, and further south into Mexico. As a warm-season perennial grass, most of its growth occurs from late spring through early fall; it becomes dormant and unproductive during colder months. Thus, the productive season in its northern habitat can be as short as three months, but in the southern reaches of its habitat the growing season may be as long as eight months, around the Gulf Coast area.

Switchgrass is a diverse species, with striking differences between plants. This diversity, which presumably reflects evolution and adaptation to new environments as the species spread across the continent, provides a range of valuable traits for breeding programs. Switchgrass has two distinct forms, or "cytotypes": the lowland cultivars, which tend to produce more biomass, and the upland cultivars, which are generally of more northern origin, more cold-tolerant, and therefore usually preferred in northern areas. Upland switchgrass types are generally shorter, at ≤ 2.4 m tall, and less coarse than lowland types. Lowland cultivars may grow to ≥ 2.7 m in favorable environments. Both upland and lowland cultivars are deeply rooted, > 1.8 m in favorable soils, and have short rhizomes. The upland types tend to have more vigorous rhizomes, so the lowland cultivars may appear to have a bunchgrass habit, while the upland types tend to be more sod-forming. Lowland cultivars appear more plastic in their morphology, produce larger plants if stands become thin or when planted in wide rows, and they seem to be more sensitive to moisture stress than upland cultivars.

In native prairies, switchgrass is historically found in association with several other important native tallgrass prairie plants, such as big bluestem, indiangrass, little bluestem, sideoats grama, eastern gamagrass, and various forbs (sunflowers, gayfeather, prairie clover, and prairie coneflower). These widely adapted tallgrass species once occupied millions of hectares.

Switchgrass’ suitability for cultivation in the Gran Chaco is being studied by Argentina's Instituto Nacional de Tecnología Agropecuaria (INTA).

Establishment and management
Switchgrass can be grown on land considered unsuitable for row crop production, including land that is too erodible for corn production, as well as sandy and gravelly soils in humid regions that typically produce low yields of other farm crops. No single method of establishing switchgrass can be suggested for all situations. The crop can be established both by no-till and conventional tillage. When seeded as part of a diverse mixture, planting guidelines for warm-season grass mixtures for conservation plantings should be followed. Regional guidelines for growing and managing switchgrass for bioenergy or conservation plantings are available. Several key factors can increase the likelihood of success for establishing switchgrass. These include: Mowing and properly labeled herbicides are recommended for weed control. Chemical weed control can be used in the fall prior to establishment, or before or after planting. Weeds should be mowed just above the height of the growing switchgrass. Hormone herbicides, such as 2,4-D, should be avoided as they are known to reduce development of switchgrass when applied early in the establishing year. Plantings that appear to have failed due to weed infestations are often wrongly assessed, as the failure is often more apparent than real. Switchgrass stands that are initially weedy commonly become well established with appropriate management in subsequent years. Once established, switchgrass can take up to three years to reach its full production potential. Depending on the region, it can typically produce 1/4 to 1/3 of its yield potential in its first year and 2/3 of its potential in the year after seeding.
 * Planting switchgrass after the soil is well warmed during the spring.
 * Using seeds that are highly germinable and planting 0.6 - 1.2 cm deep, or up to 2 cm deep in sandy soils.
 * Packing or firming the soil both before and after seeding.
 * Providing no fertilization at planting to minimize competition.
 * Controlling weeds with chemical and/or cultural control methods.

After establishment, switchgrass management will depend on the goal of the seeding. Historically, most switchgrass seedings have been managed for the Conservation Reserve Program in the US. Disturbance such as periodic mowing, burning, or disking is required to optimize the stand's utility for encouraging biodiversity. Increased attention is being placed on switchgrass management as an energy crop. Generally, the crop requires modest application of nitrogen fertilizer, as it is not a heavy feeder. Typical nitrogen (N) content of senescent material in the fall is 0.5% N. Fertilizer nitrogen applications of about 5 kg N/hectare (ha) applied for each tonne of biomass removed is a general guideline. More specific recommendations for fertilization are available regionally in North America. Herbicides are not often used on switchgrass after the seeding year, as the crop is generally quite competitive with weeds. Most bioenergy conversion processes for switchgrass, including those for cellulosic ethanol and pellet fuel production, can generally accept some alternative species in the harvested biomass. Stands of switchgrass should be harvested no more than twice per year, and one cutting often provides as much biomass as two. Switchgrass can be harvested with the same field equipment used for hay production, and it is well-suited to baling or bulk field harvesting. If its biology is properly taken into consideration, switchgrass can offer great potential as an energy crop.

Uses
Switchgrass can be used as a feedstock for biomass energy production, as ground cover for soil conservation, and to control erosion, for forages and grazing, as game cover, and as feedstock for biodegradable plastics. It can be used by cattle farmers for hay and pasture and as a substitute for wheat straw in many applications, including livestock bedding, straw bale housing, and as a substrate for growing mushrooms. Additionally, switchgrass is grown as a drought-resistant ornamental grass in average to wet soils and in full sun to part shade.

Moth host plant
It is the preferred larval host plant of Dargida rubripennis. It is also a larval host for the Delaware skipper and the Hobomok skipper.

Bioenergy
Switchgrass has been researched as a renewable bioenergy crop since the mid-1980s, because it is a native perennial warm season grass with the ability to produce moderate to high yields on marginal farmlands. It is now being considered for use in several bioenergy conversion processes, including cellulosic ethanol production, biogas, and direct combustion for thermal energy applications. The main agronomic advantages of switchgrass as a bioenergy crop are its stand longevity, drought and flooding tolerance, relatively low herbicide and fertilizer input requirements, ease of management, hardiness in poor soil and climate conditions, and widespread adaptability in temperate climates. In some warm humid southern zones, such as Alabama, it has the ability to produce up to 25 oven-dry tonnes per hectare (ODT/ha). A summary of switchgrass yields across 13 research trial sites in the United States found the top two cultivars in each trial to yield 9.4 to 22.9 t/ha, with an average yield of 14.6 ODT/ha. However, these yields were recorded on small plot trials, and commercial field sites could be expected to be at least 20% lower than these results. In the United States, switchgrass yields appear to be highest in warm humid regions with long growing seasons such as the US Southeast and lowest in the dry short season areas of the Northern Great Plains. The energy inputs required to grow switchgrass are favorable when compared with annual seed bearing crops such as corn, soybean, or canola, which can require relatively high energy inputs for field operations, crop drying, and fertilization. Whole plant herbaceous perennial C4 grass feedstocks are desirable biomass energy feedstocks, as they require fewer fossil energy inputs to grow and effectively capture solar energy because of their C4 photosynthetic system and perennial nature. One study cites it takes from 0.97 to 1.34 GJ to produce 1 tonne of switchgrass, compared with 1.99 to 2.66 GJ to produce 1 tonne of corn. Another study found that switchgrass uses 0.8 GJ/ODT of fossil energy compared to grain corn's 2.9 GJ/ODT. Given that switchgrass contains approximately 18.8 GJ/ODT of biomass, the energy output-to-input ratio for the crop can be up to 20:1. This highly favorable ratio is attributable to its relatively high energy output per hectare and low energy inputs for production.

Considerable effort is being expended in developing switchgrass as a cellulosic ethanol crop in the USA. In George W. Bush's 2006 State of the Union Address, he proposed using switchgrass for ethanol;  since then, over US$100 million has been invested into researching switchgrass as a potential biofuel source. Switchgrass has the potential to produce up to 380 liters of ethanol per tonne harvested. However, current technology for herbaceous biomass conversion to ethanol is about 340 liters per tonne. In contrast, corn ethanol yields about 400 liters per tonne.

The main advantage of using switchgrass over corn as an ethanol feedstock is its cost of production is generally about 1/2 that of grain corn, and more biomass energy per hectare can be captured in the field. Thus, switchgrass cellulosic ethanol should give a higher yield of ethanol per hectare at lower cost. However, this will depend on whether the cost of constructing and operating cellulosic ethanol plants can be reduced considerably. The switchgrass ethanol industry energy balance is also considered to be substantially better than that of corn ethanol. During the bioconversion process, the lignin fraction of switchgrass can be burned to provide sufficient steam and electricity to operate the biorefinery. Studies have found that for every unit of energy input needed to create a biofuel from switchgrass, four units of energy are yielded. In contrast, corn ethanol yields about 1.28 units of energy per unit of energy input. A recent study from the Great Plains indicated that for ethanol production from switchgrass, this figure is 6.4, or alternatively, that 540% more energy was contained in the ethanol produced than was used in growing the switchgrass and converting it to liquid fuel. However, there remain commercialization barriers to the development of cellulosic ethanol technology. Projections in the early 1990s for commercialization of cellulosic ethanol by the year 2000 have not been met. The commercialization of cellulosic ethanol is thus proving to be a significant challenge, despite noteworthy research efforts.

Thermal energy applications for switchgrass appear to be closer to near-term scale-up than cellulosic ethanol for industrial or small-scale applications. For example, switchgrass can be pressed into fuel pellets that are subsequently burned in pellet stoves used to heat homes (which typically burn corn or wood pellets). Switchgrass has been widely tested as a substitute for coal in power generation. The most widely studied project to date has been the Chariton Valley Project in Iowa. The Show-Me-Energy Cooperative (SMEC) in Missouri is using switchgrass and other warm-season grasses, along with wood residues, as feedstocks for pellets used for the firing of a coal-fired power plant. In Eastern Canada, switchgrass is being used on a pilot scale as a feedstock for commercial heating applications. Combustion studies have been undertaken and it appears to be well-suited as a commercial boiler fuel. Research is also being undertaken to develop switchgrass as a pellet fuel because of lack of surplus wood residues in eastern Canada, as a slowdown in the forest products industry in 2009 is now resulting in wood pellet shortages throughout Eastern North America. Generally speaking, the direct firing of switchgrass for thermal applications can provide the highest net energy gain and energy output-to-input ratio of all switchgrass bioconversion processes. Research has found switchgrass, when pelletized and used as a solid biofuel, is a good candidate for displacing fossil fuels. Switchgrass pellets were identified to have a 14.6:1 energy output-to-input ratio, which is substantially better than that for liquid biofuel options from farmland. As a greenhouse gas mitigation strategy, switchgrass pellets were found to be an effective means to use farmland to mitigate greenhouse gases on the order of 7.6–13 tonnes of CO2 per hectare. In contrast, switchgrass cellulosic ethanol and corn ethanol were found to mitigate 5.2 and 1.5 tonnes of CO2 per hectare, respectively.

Historically, the major constraint to the development of grasses for thermal energy applications has been the difficulty associated with burning grasses in conventional boilers, as biomass quality problems can be of particular concern in combustion applications. These technical problems now appear to have been largely resolved through crop management practices such as fall mowing and spring harvesting that allow for leaching to occur, which leads to fewer aerosol-forming compounds (such as K and Cl) and N in the grass. This reduces clinker formation and corrosion, and enables switchgrass to be a clean combustion fuel source for use in smaller combustion appliances. Fall harvested grasses likely have more application for larger commercial and industrial boilers. Switchgrass is also being used to heat small industrial and farm buildings in Germany and China through a process used to make a low quality natural gas substitute.

Bai et al. (2010) conducted a study to analyze the environmental sustainability of using switchgrass plant material as a feedstock for ethanol production. Life cycle analysis was used to make this assessment. They compared efficiency of E10, E85, and ethanol with gasoline. They took into account air and water emissions associated with growing, managing, processing and storing the switchgrass crop. They also factored in the transportation of the stored switchgrass to the ethanol plant where they assumed the distance was 20 km. The reductions in global warming potential by using E10 and E85 were 5 and 65%, respectively. Their models also suggested that the “human toxicity potential” and “eco-toxicity potential” were substantially greater for the high ethanol fuels (i.e., E85 and ethanol) than for gasoline and E10.

In 2014, a genetically altered form of the bacterium Caldicellulosiruptor bescii was created which can cheaply and efficiently turn switchgrass into ethanol.

Biodegradable plastics production
In a novel application, US scientists have genetically modified switchgrass to enable it to produce polyhydroxybutyrate, which accumulates in beadlike granules within the plant's cells. In preliminary tests, the dry weight of a plants leaves were shown to comprise up to 3.7% of the polymer. Such low accumulation rates do not, as of 2009, allow for commercial use of switchgrass as a biosource.

Soil conservation
Switchgrass is useful for soil conservation and amendment, particularly in the United States and Canada, where switchgrass is endemic. Switchgrass has a deep fibrous root system – nearly as deep as the plant is tall. Since it, along with other native grasses and forbs, once covered the plains of the United States that are now the Corn Belt, the effects of the past switchgrass habitat have been beneficial, lending to the fertile farmland that exists today. The deep fibrous root systems of switchgrass left a deep rich layer of organic matter in the soils of the Midwest, making those mollisol soils some of the most productive in the world. By returning switchgrass and other perennial prairie grasses as an agricultural crop, many marginal soils may benefit from increased levels of organic material, permeability, and fertility, due to the grass's deep root system.

Soil erosion, both from wind and water, is of great concern in regions where switchgrass grows. Due to its height, switchgrass can form an effective wind erosion barrier. Its root system, also, is excellent for holding soil in place, which helps prevent erosion from flooding and runoff. Some highway departments (for example, KDOT) have used switchgrass in their seed mixes when re-establishing growth along roadways. It can also be used on strip mine sites, dikes, and pond dams. Conservation districts in many parts of the United States use it to control erosion in grass waterways because of its ability to anchor soils while providing habitat for wildlife.

Forages and grazing
Switchgrass is an excellent forage for cattle; however, it has shown toxicity in horses, sheep, and goats  through chemical compounds known as saponins, which cause photosensitivity and liver damage in these animals. Researchers are continuing to learn more about the specific conditions under which switchgrass causes harm to these species, but until more is discovered, it is recommended switchgrass not be fed to them. For cattle, however, it can be fed as hay, or grazed.

Grazing switchgrass calls for watchful management practices to ensure survival of the stand. It is recommended that grazing begin when the plants are about 50 cm tall, and that grazing be discontinued when the plants have been eaten down to about 25 cm, and to rest the pasture 30–45 days between grazing periods. Switchgrass becomes stemmy and unpalatable as it matures, but during the target grazing period, it is a favorable forage with a relative feed value (RFV) of 90–104. The grass's upright growth pattern places its growing point off the soil surface onto its stem, so leaving 25 cm of stubble is important for regrowth. When harvesting switchgrass for hay, the first cutting occurs at the late boot stage – around mid-June. This should allow for a second cutting in mid-August, leaving enough regrowth to survive the winter.

Game cover
Switchgrass is well known among wildlife conservationists as good forage and habitat for upland game bird species, such as pheasant, quail, grouse, and wild turkey, and song birds, with its plentiful small seeds and tall cover. A study published in 2015 has shown that switchgrass, when grown in a traditional monoculture, has an adverse impact on some wildlife. Depending on how thickly switchgrass is planted, and what it is partnered with, it also offers excellent forage and cover for other wildlife across the country. For those producers who have switchgrass stands on their farm, it is considered an environmental and aesthetic benefit due to the abundance of wildlife attracted by the switchgrass stands. Some members of Prairie Lands Bio-Products, Inc. in Iowa have even turned this benefit into a profitable business by leasing their switchgrass land for hunting during the proper seasons. The benefits to wildlife can be extended even in large-scale agriculture through the process of strip harvesting, as recommended by The Wildlife Society, which suggests that rather than harvesting an entire field at once, strip harvesting could be practiced so that the entire habitat is not removed, thereby protecting the wildlife inhabiting the switchgrass.

Ornamental cultivars
Panicum virgatum cultivars are used as ornamental plants in gardens and landscaping. The following have gained the Royal Horticultural Society's Award of Garden Merit:-
 * 'Dallas Blues'
 * "Heavy Metal'
 * 'Hänse Harms'
 * 'Northwind'
 * 'Shenandoah'

title: Panicum virgatum


text:
The Plucky Duck Show

The Plucky Duck Show is an American animated television series produced by Warner Bros. Animation and Amblin Entertainment. It is a short-lived spin-off of Tiny Toon Adventures concentrating attention mainly on Plucky Duck himself. It premiered on September 19, 1992, and ended on February 12, 1999, with a total of 13 episodes.

History
Of the 13 episodes produced, only "The Return of Batduck" was original to the series. All remaining episodes were compilations of Tiny Toons produced shorts, though some aired on The Plucky Duck Show first.

The theme song is a rendition of the Tiny Toons theme, set to the same music, but with Plucky himself as the subject of the song. Some of the lyrics were reused in the Tiny Toons episode "It's a Wonderful Tiny Toons Christmas Special".

After the show was canceled, "Batduck" was edited and added in as an episode of Tiny Toons. The show's formula was attempted again several years later when Pinky and the Brain, the supporting characters from Animaniacs (Steven Spielberg's next collaboration with Warner Bros. Animation), were also given their own show. Unlike The Plucky Duck Show, however, Pinky and the Brain consists entirely of original material rather than reusing pre-existing shorts from the show it was spun-off from.

The "Yakety Yak" segment was made commercially available on the Tiny Toons Sing! CD/cassette album.

title: The Plucky Duck Show


text:
Ureterocele

A ureterocele is a congenital abnormality found in the ureter. In this condition the distal ureter balloons at its opening into the bladder, forming a sac-like pouch. It is most often associated with a duplicated collection system, where two ureters drain their respective kidney instead of one. Simple ureterocele, where the condition involves only a single ureter, represents only twenty percent of cases.

Since the advent of the ultrasound, most ureteroceles are diagnosed prenatally. The pediatric and adult conditions are often found incidentally, i.e. through diagnostic imaging performed for unrelated reasons.

Classification

 * Intravesical : Confined within the bladder
 * Ectopic : Some part extends to the bladder neck or urethra
 * Stenotic : Intravesical ureterocele with a narrow opening
 * Sphincteric : Ectopic ureterocele with an orifice distal to the bladder neck
 * Sphincterostenotic : Orifice is both stenotic and distal to the bladder neck
 * Cecoureterocele : Ectopic ureterocele that extends into the urethra, but the orifice is in the bladder

Signs and symptoms
The signs and symptoms of ureterocele in the latter two forms can easily be confused with other medical conditions. Symptoms can include:
 * Frequent urinary tract infections
 * Pyelonephritis
 * Obstructive voiding symptoms
 * Urinary retention
 * Failure to thrive
 * Hematuria
 * Cyclic abdominal pain
 * Urolithiasis
 * Cobra head sign is seen in radiography
 * In females: salpingitis, hydrosalpinx with sepsis or torsion. T.O. mass.

Complications
Many other complications arise from ureteroceles. Redundant collection systems are usually smaller in diameter than single, and predispose the patient to impassable kidney stones. The effective "bladder within a bladder" compounds this problem by increasing the collision of uric acid particles, the process by which uric acid stones are formed. Ureterocele is also associated with poor kidney function. It can cause frequent blockage of the ureter leading to serious kidney damage. In other cases, a small, upper portion of the kidney is congenitally non-functional. Though often benign, this problem can necessitate the removal of non-functioning parts.

Causes
Definitive causes of ureterocele have not been found. While the abnormal growth occurs within the uterus, it has not been substantiated that genetics are to blame. Congenital abnormalities of the mesonephric duct in males can lead to the formation of a ureterocele, which often coincide with ipsilateral agenesis of the kidney (atrophic kidney) and seminal vesicle cysts, this is known as Zinner Syndrome.

Diagnosis
IVU-shows Adder head appearance or Cobra head appearance. Cystoscopy-shows translucent cyst which is thin walled surrounding ureteric orifice

Treatment

 * Single-system ureterocele: initial management is usually endoscopic incision of the ureterocele, which can be followed by surgical ureteric re-implantation to preserve renal function and prevent reflux.
 * Duplex-system ureterocele: treatment options vary with the individual and include: endoscopic incision of the corresponding ureteric orifice in case of ureteric meatal stricture; upper pole nephrectomy for a poorly functioning unit with ureterectomy or, where there is useful renal function, ureteropyelostomy.

title: Ureterocele


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User talk:Headrattle

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title: User talk:Headrattle


text: Category:Clermont County, Ohio

title: Category:Clermont County, Ohio


text: Category:Warren County, Ohio

title: Category:Warren County, Ohio


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International Association for the Evaluation of Educational Achievement

The International Association for the Evaluation of Educational Achievement (IEA) is an independent, international cooperative of national research institutions and governmental research agencies. It conducts large-scale comparative studies of educational achievement and other aspects of education.

Since its founding in 1958, IEA has conducted more than 30 research studies of cross-national achievement. IEA studies focus on subjects relating to mathematics, science, reading, civic and citizenship education, computer and information literacy, and teacher education, among others.

The IEA is responsible for the Trends in International Mathematics and Science Study (TIMSS), Progress in International Reading Literacy Study (PIRLS), International Civic and Citizenship Education Study (ICCS) and International Computer and Information Literacy Study (ICILS).

History
Even though the IEA became a legal entity in 1967, its origins date back to 1958 when a group of scholars, educational psychologists, sociologists, and psychometricians met at the UNESCO Institute for Education in Hamburg, Germany, to discuss problems of school and student evaluation. They believed that an effective evaluation requires examination of both educational inputs as well as its outcomes (such as knowledge, attitudes, and participation). The founders assumed that if research could obtain evidence from across a wide range of systems, the variability would be sufficient to reveal important relationships within different school systems. They strongly rejected data-free assertions about the relative merits of various education systems, and aimed to identify factors that would have meaningful and consistent influences on educational outcomes.

Location
IEA Amsterdam The IEA headquarters is located in Amsterdam, the Netherlands.

IEA Hamburg The IEA's data processing and research department is located in Hamburg, Germany.


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Feline leukemia virus

Feline leukemia virus (FeLV) is a retrovirus that infects cats. FeLV can be transmitted from infected cats when the transfer of saliva or nasal secretions is involved. If not defeated by the animal's immune system, the virus weakens the cat's immune system, which can lead to diseases which can be lethal. Because FeLV is cat-to-cat contagious, FeLV+ cats should only live with other FeLV+ cats.

FeLV is categorized into four subgroups, A, B, C and T. An infected cat has a combination of FeLV-A and one or more of the other subgroups. Symptoms, prognosis and treatment are all affected by subgroup.

FeLV+ cats often have a shorter lifespan, but can still live "normal", healthy lives.

Signs and symptoms
The signs and symptoms of infection with feline leukemia virus are quite varied and include loss of appetite, poor coat condition, anisocoria (uneven pupils), infections of the skin, bladder, and respiratory tract, oral disease, seizures, lymphadenopathy (swollen lymph nodes), skin lesions, fatigue, fever, weight loss, stomatitis, gingivitis, litter box avoidance, pancytopenia, recurring bacterial and viral illnesses, anemia, diarrhea and jaundice.

Asymptomatic carriers will show no signs of disease, often for many years.

Progression
The disease has a wide range of effects. The cat can fight off the infection and become totally immune, can become a healthy carrier that never gets sick itself but can infect other cats, or a mid-level case in which the cat has a compromised immune system. Nevertheless, the development of lymphomas is considered the final stage of the disease. Although it is thought that virus protein has to be present to induce lymphomas in cats, newer evidence shows that a high percentage of FeLV-Antigen negative lymphomas contain FeLV-DNA, indicating a "hit-and-run" mechanism of virus-induced tumor development.

Once the virus has entered the cat, there are six stages to a FeLV infection:
 * Stage One: The virus enters the cat, usually through the pharynx where it infects the epithelial cells and infects the tonsilar B-lymphocytes and macrophages. These white blood cells then filter down to the lymph nodes and begin to replicate.
 * Stage Two: The virus enters the blood stream and begins to distribute throughout the body.
 * Stage Three: The lymphoid system (which produces antibodies to attack infected and cancerous cells) becomes infected, with further distribution throughout the body.
 * Stage Four: The main point in the infection, where the virus can take over the body's immune system and cause viremia. During this stage the hemolymphatic system and intestines become infected.

If the cat's immune system does not fight off the virus, then it progresses to:
 * Stage Five: The bone marrow becomes infected. At this point, the virus will stay with the cat for the rest of its life. In this phase, the virus replicates and is released four to seven days later in infected neutrophils, and sometimes lymphocytes, monocytes, and eosinophils (all white blood cells formed in the bone marrow).
 * Stage Six: The cat's body is overwhelmed by infection and mucosal and glandular epithelial cells (tissue that forms a thin protective layer on exposed bodily surfaces and forms the lining of internal cavities, ducts, and organs) become infected. The virus replicates in epithelial tissues including salivary glands, oropharynx, stomach, esophagus, intestines, trachea, nasopharynx, renal tubules, bladder, pancreas, alveolar ducts, and sebaceous ducts from the muzzle.

Transmission
Cats infected with FeLV can serve as sources of infection of FeLV-A. Cats can pass the virus between themselves through saliva and close contact, by biting another cat, and (rarely) through a litter box or food dish used by an infected cat.

Once a cat has been infected with FeLV-A, additional mutated forms of the original FeLV-A virus may arise, as may FeLV subgroups B, C and T.

In addition to domestic cats, some other members of Felidae are now threatened by FeLV (e.g. lynx and Florida panther). Overwhelming epidemiologic evidence suggests FeLV is not transmissible to either humans or dogs.

Approximately 0.5% of pet cats are persistently infected with FeLV, but many more pet cats (>35%) have specific IgG antibodies which indicate prior exposure and subsequent development of immunity instead of infection. FeLV is highly infectious.

Kittens can be born with it, having contracted it from their mother while in utero.

Infection is far higher in city cats, stray or owned, than in rural cats: this is entirely due to the amount of contact the cats have with each other.

Diagnosis and prognosis
Testing for FeLV is possible with ELISA tests that look for viral antigens, free particles found in the bloodstream. These ELISA tests use blood samples most often, but can also use saliva or eye secretions. The sample is added to a container or dish that contains the antibodies to the viral antigens. If the antigens are present in the sample, the antibodies will bind to them and an indicator on the test will change color. These give a definitive diagnosis, but it cannot differentiate between acute or persistent infections. Therefore, it is recommended that the cat be retested in three to four months after the positive result to determine if the virus has been cleared from the body. Diagnosis can also be made by reference lab testing, using an immunofluorescence (IFA) test. The IFA test uses a blood sample and will detect the virus once it is in the bone marrow by detecting the virus's presence in white blood cells. IFA testing will not give positive results for transient, primary infections - the infection must be persistent to get a positive result on this test. Other than ELISA and IFA testing, routine laboratory blood work may show changes that indicate infection but cannot be used as a definitive diagnosis. There may be blood cell count changes like leukopenia, decreased Packed Cell Volume (PCV) and Total Protein (TP) levels due to anemia, hemoconcentration and hypoglycemia due to vomiting and diarrhea, electrolyte imbalance caused by dehydration and anorexia, and recurrent urinary tract infections.

Cats diagnosed as persistently infected by ELISA testing may die within a few months or may remain asymptomatic for longer; median survival time after diagnosis is 2.5 years.

FeLV is categorized into four subgroups.
 * FeLV-A is responsible for the immunosuppression characteristic of the disease. The vast majority of cats with FeLV has FeLV-A. An exception was reported in 2013.
 * FeLV-B causes an additional increase in the incidence of tumors and other abnormal tissue growths. About half of FeLV infected cats have FeLV-B. It forms by recombination of FeLV-A and cat endogenous FeLV (enFeLV).
 * FeLV-C causes severe anemia. Approximately 1% of FeLV infected cats have FeLV-C. It forms by mutation of FeLV-A.
 * FeLV-T leads to lymphoid depletion and immunodeficiency. It forms by mutation of FeLV-A.

The fatal diseases are leukemias, lymphomas, and non-regenerative anemias. Although there is no known cure for the virus infection, in 2006 the United States Department of Agriculture approved Lymphocyte T-Cell Immunomodulator as a treatment aid for FeLV (see Treatment).

In Canada, one feline infected with progressive Feline Leukemia Virus Type C and its Immune-Mediated Hemolytic Anemia complication has been successfully managed so far for over 6 months with the use of high-dose corticosteroids, broad-spectrum antibiotics to treat opportunistic and comorbid infections, antiviral medications, and immunomodulators such as cyclosporine after requiring multiple packed red blood cell transfusions to raise a critically low blood cell count.

Prevention
Three types of vaccines for FeLV are available: an adjuvanted killed virus noninfectious vaccine, an adjuvanted subunit vaccine, and a nonadjuvanted canarypox virus-vectored recombinant infectious vaccine (ATCvet code QI066AA01 and various combination vaccines), though no currently available vaccine offers 100% protection from the virus. Vaccination is recommended for high-risk cats: those that have access to the outdoors, feral cats, cats that do not have the virus but live with an infected cat, multicat households, and cats with an unknown status, such as cats in catteries and shelters.

Serious side effects have also been reported as a result of FeLV vaccination; in particular, a small percentage of cats who received the adjuvanted killed virus vaccine developed vaccine-associated sarcomas, an aggressive tumour, at the injection site. The development of sarcomas with the use of the old FeLV and other vaccines may be due to the inflammation caused by aluminium adjuvants in the vaccines.

Merial produces a recombinant vaccine consisting of canarypox virus carrying FeLV gag and env genes (sold as PUREVAX FeLV in the US and Eurifel FeLV in Europe). This is thought to be safer than the old vaccine as it does not require an adjuvant to be effective. Although this is a live virus, it originates from a bird host and so does not replicate in mammals.

Viral structure
Feline leukemia virus (FeLV) is an RNA virus in the subfamily Oncovirinae belonging to the Retroviridae family. The virus comprises 5' and 3' LTRs and three genes: Gag (structural), Pol (enzymes) and Env (envelope and transmembrane); the total genome is about 9,600 base pairs.

See the entry on retroviruses for more details on the life cycle of FeLV.

Approved US treatment
In 2006, the United States Department of Agriculture issued a conditional license for a new treatment aid termed Lymphocyte T-Cell Immunomodulator (LTCI). Lymphocyte T-Cell Immunomodulator is manufactured and distributed exclusively by T-Cyte Therapeutics, Inc.

Lymphocyte T-Cell Immunomodulator is intended as an aid in the treatment of cats infected with feline leukemia virus (FeLV) and/or feline immunodeficiency virus (FIV), and the associated symptoms of lymphocytopenia, opportunistic infection, anemia, granulocytopenia, or thrombocytopenia. The absence of any observed adverse events in several animal species suggests that the product has a very low toxicity profile.

Lymphocyte T-Cell Immunomodulator is a potent regulator of CD-4 lymphocyte production and function. It has been shown to increase lymphocyte numbers and Interleukin 2 production in animals.

Lymphocyte T-Cell Immunomodulator is a single chain polypeptide. It is a strongly cationic glycoprotein, and is purified with cation exchange resin. Purification of protein from bovine-derived stromal cell supernatants produces a substantially homogeneous factor, free of extraneous materials. The bovine protein is homologous with other mammalian species and is a homogeneous 50 kDa glycoprotein with an isoelectric point of 6.5. The protein is prepared in a lyophilized 1 microgram dose. Reconstitution in sterile diluent produces a solution for subcutaneous injection.

Approved European treatment
Interferon-ω (omega) is sold in Europe at least under the name Virbagen Omega and manufactured by Virbac. When used in treatment of cats infected with FeLV in non-terminal clinical stages (over the age of 9 weeks) there have been substantial improvements in mortality rates; in non-anemic cats, mortality rate of 50% was reduced by approximately 20% following treatment.

History
FeLV was first described in cats in 1964. The disease was originally associated with leukemia; however, it was later realized that the initial signs are generally anemia and immunosuppression. The first diagnostic test became available in 1973, which led to a "test and elimination" regime, dramatically reducing the number of infected cats in the general population. The first vaccine became available in 1986.

Comparison with feline immunodeficiency virus
FeLV and feline immunodeficiency virus (FIV) are sometimes mistaken for one another, though the viruses differ in many ways. Although they are both in the same retroviral subfamily (Orthoretrovirinae), they are classified in different genera (FeLV is a gamma-retrovirus and FIV is a lentivirus like HIV-1). Their shapes are quite different: FeLV is more circular while FIV is elongated. The two viruses are also quite different genetically, and their protein coats differ in size and composition. Although many of the diseases caused by FeLV and FIV are similar, the specific ways in which they are caused also differ. Also, while the feline leukemia virus may cause symptomatic illness in an infected cat, an FIV infected cat can remain completely asymptomatic its entire lifetime.

title: Feline leukemia virus