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The Chester White is the most durable of the white breeds; it can gain as much as 1.36 pounds (0.62 kg) a day and gain 1 pound (0.45 kg) for every 3 pounds (1.4 kg) of grain it is fed. Their pale color leaves Chester Whites prone to sunburn; they must be given access to shade in the summer.
This is a list of pig breeds usually considered to originate or have developed in Canada and the United States. Some may have complex or obscure histories, so inclusion here does not necessarily imply that a breed is predominantly or exclusively from those countries.
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
Wallowing in mud. The American Yorkshire is an American breed of large domestic pig.It is the most numerous pig breed in the United States. [3]: 14 It derives from pigs of the British Large White or Yorkshire breed imported from the United Kingdom or from Canada at various times from about 1830 to the mid-twentieth century.
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 ...
[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. [4]: 611 [6]: 394 The principal breeds used were the Duroc and the Poland China; there may also have been some Chester White or Hampshire influence.
Boar's Head, the deli meat company at the center of a deadly listeria food poisoning outbreak, is being scrutinized by law enforcement officials, the U.S. Agriculture Department disclosed in ...
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