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Pig farming, pork farming, pig production or hog farming is the raising and breeding of domestic pigs as livestock, and is a branch of animal husbandry. Pigs are farmed principally for food (e.g. pork : bacon , ham , gammon ) and skins .
The Berkshire is a traditional breed of the county of the same name. Until the eighteenth century it was a large tawny-coloured pig with lop ears, often with darker patches. [5]: 551 [6] In the late eighteenth and early nineteenth centuries it was substantially modified by cross-breeding with small black pigs imported from Asia. [5]: 558
Breed Origin Height Weight Color Image Aksai Black Pied: Kazakhstan: 167–182 cm: 240–320 kg (530–710 lb) Black and White--- American Yorkshire: United States
The pig (Sus domesticus), also called swine (pl.: swine) or hog, is an omnivorous, domesticated, even-toed, hoofed mammal. It is named the domestic pig when distinguishing it from other members of the genus Sus. It is considered a subspecies of Sus scrofa (the wild boar or Eurasian boar) by some authorities, but as a distinct species by others.
The new breed was founded on stock that was either purebred Danish or had a small percentage of Poland China blood. To reduce inbreeding, thirty-eight pigs of Danish, Swedish and Norwegian Landrace descent were imported in 1954 from Norway. [3]: 405 [2]: 537
The first person to breed for the Hereford color pattern in pigs – and the first to describe it – was R.U. Weber of LaPlata, Missouri. [4]: 611 From about 1902 until 1925 a number of farmers in Nebraska and Iowa, among them John Schulte of Norway, Iowa, collaborated in the selection of pigs with this coloration.
The Large White derives from the old Large Yorkshire breed, a long-legged and heavy-boned pig from the county of Yorkshire, in northern England.In the nineteenth century this was crossed with pigs imported from China, giving rise to three distinct types or breeds: the Small White showed the greatest Asian influence, small and fat with a markedly foreshortened snout; the Middle White also ...
The publication in 1955 of the Howitt Report – which discouraged rearing of all but the three pig breeds most suitable for intensive pig farming – further reduced interest in keeping slower-growing traditional breeds such as the Sandy and Black, [6] which by the 1960s or early 1970s was extinct as a pure-bred traditional breed.