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Xenotransplantation, or heterologous transplant, is the transplantation of living cells, tissues or organs from one species to another. Such cells, tissues or organs are called xenografts or xenotransplants. It is contrasted with allotransplantation, syngeneic transplantation or isotransplantation and autotransplantation. Xenotransplantation is an artificial method of creating an animal-human chimera, that is, a human with a subset of animal cells. In contrast, an individual where each cell contains genetic material from a human and an animal is called a human–animal hybrid.
A landrace is a domesticated, locally adapted, often traditional variety of a species of animal or plant that has developed over time, through adaptation to its natural and cultural environment of agriculture and pastoralism, and due to isolation from other populations of the species. Landraces are distinct from cultivars and from standard breeds.
Penneshaw is a township in the Australian state of South Australia located on the northeast coast of the Dudley Peninsula on Kangaroo Island about 107 kilometres (66 mi) south of the state capital of Adelaide. It is the island's main ferry port with regular services from Cape Jervis. Penneshaw features a Maritime and Folk Museum, and evening tours to a colony of little penguin, the only species of penguin to breed in Australian waters. At the 2011 census, Penneshaw had a population of 276.
The Tamworth is a British breed of domestic pig. It is the only red-coloured British pig. Its origins are unknown, but it appears to have developed near the town of Tamworth in south-eastern Staffordshire, close to Warwickshire border. It is one of seven British pig breeds listed by the Rare Breeds Survival Trust as 'priority', the highest level of concern of the trust.
The King Island emu is an extinct subspecies of emu that was endemic to King Island, in the Bass Strait between mainland Australia and Tasmania. Its closest relative may be the also extinct Tasmanian emu, as they belonged to a single population until less than 14,000 years ago, when Tasmania and King Island were still connected. The small size of the King Island emu may be an example of insular dwarfism. The King Island emu was the smallest of all known emus and had darker plumage than the mainland emu. It was black and brown and had naked blue skin on the neck, and its chicks were striped like those on the mainland. The subspecies was distinct from the likewise small and extinct Kangaroo Island emu in a number of osteological details, including size. The behaviour of the King Island emu probably did not differ much from that of the mainland emu. The birds gathered in flocks to forage and during breeding time. They fed on berries, grass and seaweed. They ran swiftly and could defend themselves by kicking. The nest was shallow and consisted of dead leaves and moss. Seven to nine eggs were laid, which were incubated by both parents.
The Kangaroo Island dunnart is a dark sooty-grey coloured dunnart species first described in 1969, with paler underparts of its body. It has an average body length of 170–198 mm, a snout to anus length of 80–93 mm, a tail measurement of 90–105 mm, a hind foot of 17.5 mm, ear length of 18 mm and a weight of 20–25 grams. The thin tail is also gray, but lighter on the bottom. The tail is longer than the body. Kangaroo Island dunnarts are dimorphic, with males larger than females.
Baudin Beach is a locality in the Australian state of South Australia located on Dudley Peninsula on the north coast of Kangaroo Island about 115 kilometres south of the capital city of Adelaide and about 12 kilometres west of Penneshaw. It is named in 2002 after the French navigator Nicolas Baudin in honor of his exploration of Kangaroo Island in 1802.
The Wessex Saddleback or Wessex Pig is a breed of domestic pig originating in the West Country of England, (Wessex), especially in Wiltshire and the New Forest area of Hampshire. It is black, with white forequarters. In Britain it was amalgamated with the Essex pig to form the British Saddleback, and it is extinct as a separate breed in Britain. However, the Wessex Saddleback survives in Australia and New Zealand.
The Large Black is a British breed of domestic pig. It is the only British pig that is entirely black. It was created in the last years of the nineteenth century by merging the black pig populations of Devon and Cornwall in the south-west with those of Essex, Suffolk and Kent in the south-east. It is hardy, docile and prolific; it forages well and is suitable for extensive farming, but not well suited to intensive management.
The Auckland Island pig is a feral landrace of domestic pig found on subantarctic Auckland Island, New Zealand. Its ancestors have inhabited the island since 1807, and, as an invasive species, has had a considerable environmental impact.
The Backstairs Passage is a strait in South Australia lying between Fleurieu Peninsula on the Australian mainland and Dudley Peninsula on the eastern end of Kangaroo Island. The western edge of the passage is a line from Cape Jervis on Fleurieu Peninsula to Kangaroo Head on Kangaroo Island. The Pages, a group of islets, lie in the eastern entrance to the strait. About 14 km wide at its narrowest, it was formed by the rising sea around 13,000 years ago, at the end of the Pleistocene era, when it submerged the land connecting what is now Kangaroo Island with the Fleurieu Peninsula. Backstairs Passage was named by Matthew Flinders whilst he and his crew on HMS Investigator were exploring and mapping the coastline of South Australia in 1802.
The British Saddleback is a modern British breed of domestic pig. It was created in 1967 by merging the surviving populations of two traditional saddleback breeds, the Essex and Wessex Saddleback. It is an endangered breed, listed on the watchlist of the Rare Breeds Survival Trust as at risk, the second-highest level of concern.
Miniature pigs, also called mini pigs or micro pigs, are small breeds of domestic pig.
The British Lop is a traditional British breed of pig from the West Country of south-western England. It is a large, white-skinned pig with lop ears hanging forward over the face. It was formerly known as the Cornish White or Devon Lop and then, in the early twentieth century, as the Long White Lop-eared or White Lop; the modern name was adopted in the 1960s.
The Welsh is a breed of domestic pig native to Wales. It is a large white breed known for its hardiness in outdoor (extensive) farming, its long, pear-shaped body and its lop-ears. The breed was first mentioned in the 1870s, and after the Howitt committee report in 1955, became the third most common sire in the United Kingdom after the Large White pig and British Landrace pig. The Welsh pig experienced a decline in numbers in the late twentieth century because consumer demands had changed and the carcase was considered too fatty. In 2005 the breed was considered endangered and later came under the auspices of the Rare Breeds Survival Trust. Since then numbers have expanded somewhat, and by 2012, the registered breeding herd had increased to over 1000 animals.
The Swedish Landrace is the leading breed of pig in Sweden. They have heavy drooping ears and a white coat. The Swedish strain of the Landrace pig originated from importations from neighboring countries, particularly Denmark. The Swedish Landrace have attracted attention in the United States and other nations in recent years.
The British Landrace is a British domestic breed of pig and one of the most popular in the United Kingdom. It is pink with heavy drooping ears that cover most of the face and is bred for pork and bacon. The breed originated in the 1949 importation of 12 landrace pigs from Scandinavia — four boars and eight gilts. In 1950, the British Landrace Pig Society was formed and it opened a herd book for the first offspring born from the imported 12. They created the first pig testing scheme with a testing station at the village of Stockton-on-the-Forest in North Yorkshire.
The Arapawa pig is a feral breed of domestic pig found on Arapaoa Island in the Marlborough Sounds, New Zealand. Although there are suggestions that the animals are descendants of pigs introduced to the area by James Cook in 1773 and 1777, they apparently derive from Oxford Sandy and Black stock brought to the island by whalers of the Te Awaiti whaling station established in 1827 by John Guard. They are known to have inhabited the island since 1839. In 1998 four piglets were removed from the island and have since bred successfully.
Dudley Peninsula is the peninsula forming the eastern end of Kangaroo Island in the Australian state of South Australia. It was occupied by Aboriginal Australians as recently as 3,100 years BP but was found to be unoccupied by the first European explorers to visit it in the early 19th century. It was first settled by Europeans as early as the 1830s. As of 2011, it had a population of 595 people.
Ironstone is a locality in the Australian state of South Australia located on the north coast of Dudley Peninsula on Kangaroo Island overlooking Backstairs Passage about 107 kilometres south of the state capital of Adelaide and about 3 kilometres east of Penneshaw.
References
- ↑ "Meet a rare breed of animal farmer". Traveler Magazine. 8 February 2011. Retrieved 30 May 2015.
- ↑ "Eleven little pigs". Australian Broadcasting Corporation. 2012. Retrieved 30 May 2015.
- ↑ "Once they're gone, they're gone forever". School of Journalism, University of Canberra. 21 May 2015. Retrieved 30 May 2015.
- ↑ O'Connell, Philip J.; Hawthorne, Wayne J.; Simond, Denbigh; Chapman, Jeremy R.; Chen, Yizhou; Patel, Anita T.; Walters, Stacey N.; Burgess, Jane; Weston, Lyanne; Stokes, Rebecca A.; Moran, Chris; Allen, Richard (July 2005). "Genetic and functional evaluation of the level of inbreeding of the Westran pig: a herd with potential for use in xenotransplantation". Xenotransplantation. 12 (4): 308–315. doi:10.1111/j.1399-3089.2005.00230.x.