American Landrace

American Landrace
	Barrow at the Keystone International Livestock Exposition in 2018
Conservation status	not at risk[1]
Country of origin	United States
Traits
Notes
	Derives from Danish Landrace
	Pig; Sus domesticus;

The American Landrace is an American breed of domestic pig. It is white in color, with a long body, fine hair, a long snout and heavy, drooping ears. Like all landrace pigs, it derives from the Danish Landrace.

History

The American Landrace derives from the Danish Landrace, which in turn derives from cross-breeding in the late nineteenth century between local Danish pigs and Large White stock imported from Britain.[2]^: 587 In 1934 twenty-four of these pigs were imported from Denmark by the United States Department of Agriculture for cross-breeding and research purposes, with a condition that they not be used to create a purebred commercial stock.[3]^: 405[4] That restriction was lifted in 1949 and a breed association, the American Landrace Association, was established in 1950. 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

Characteristics

The American Landrace is a long, lean, white pig with 16 or 17 ribs. The head is long and narrow, the ears are large and heavy and hang forward close to the snout. The back is only slightly arched or is nearly flat. The side is even and well-fleshed and the ham is plump but not over-fat.[3]^: 405 The sows produce plenty of milk, the lactation peaking at five weeks, which is rather later than is the case in most breeds. They are prolific with good mothering abilities.[3]^: 405

References

Breed data sheet: Landrace / United States of America (Pig). Domestic Animal Diversity Information System of the Food and Agriculture Organization of the United Nations. Accessed May 2022.
Valerie Porter, Lawrence Alderson, Stephen J.G. Hall, D. Phillip Sponenberg (2016). Mason's World Encyclopedia of Livestock Breeds and Breeding (sixth edition). Wallingford: CABI. ISBN 9781780647944.
Hilton Marshall Briggs, Dinus M. Briggs (1980). Modern Breeds of Livestock, fourth edition. New York: Macmillan. ISBN 9780023147302.
Landrace. National Swine Registry. Archived 11 August 2006.

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[dad-1] Breed data sheet: Landrace / United States of America (Pig). Domestic Animal Diversity Information System of the Food and Agriculture Organization of the United Nations. Accessed May 2022.

[cabi-2] Valerie Porter, Lawrence Alderson, Stephen J.G. Hall, D. Phillip Sponenberg (2016). Mason's World Encyclopedia of Livestock Breeds and Breeding (sixth edition). Wallingford: CABI. ISBN 9781780647944.

[briggs-3] Hilton Marshall Briggs, Dinus M. Briggs (1980). Modern Breeds of Livestock, fourth edition. New York: Macmillan. ISBN 9780023147302.

[nsr-4] Landrace. National Swine Registry. Archived 11 August 2006.

Pig breeds of Canada and the United States
These are the pig breeds considered to originate wholly or partly in Canada and the United States. Many have complex or obscure histories, so inclusion here does not necessarily imply that a breed is predominantly or exclusively from those countries.
American Berkshire American Landrace American Yorkshire Chester White Choctaw Hog Duroc Guinea Hog Hampshire Hereford Hog Lacombe Mulefoot Ossabaw Island Hog Pineywoods Poland China Red Wattle Hog Spotted Poland China Yucatan Miniature

Landrace-named breeds of swine
American Belgian Bulgarian British Canadian Danish Dutch (Netherlands) Finnish French German Italian Norwegian Polish South African Swedish Swiss
These are standardized breeds with Landrace in their names. They are not themselves landraces, but were usually derived from them by selective breeding. Exceptions are the American, Belgian, Canadian and South African, which are crossbreeds.