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As an example, more than half of Canadian production (22.8 million pigs) in 2008 was exported, going to 143 countries. [12] Among animals raised for their meat, pigs have a lower feed conversion ratio than cattle, which can provide an advantage in lower unit price of meat because the cost of animal feed per kilogram or pound of resultant meat ...
"Breeds of Livestock - Swine Breeds". ansi.okstate.edu. Oklahoma State University Dept. of Animal Science. Ekarius, Carol (2008). Storey's Illustrated Breed Guide to Sheep, Goats, Cattle and Pigs. Storey Publishing. ISBN 978-1-60342-036-5
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.
The breed was developed from the native landrace of pigs of the area, crossbred with strains from neighboring counties. [1] The Dutch Landrace is considered "a meaty and efficient breed". [1] The breed is unusually responsive to the halothane test, which can be used to weed out individuals with low projected survivability and meat production. [2]
Originally, the Duroc was a very large pig, but not as large as was the Jersey Red. Today, it is a medium-sized breed with a moderately long body and a slightly dished face. The ears are drooping and not held erect. The color is often an orangish-brown, but ranges from a light-golden shade to a deep mahogany-red. [1]
In 1941 the breed was established in southern coastal New South Wales, northern Queensland, Tasmania and Western Australia. [1] In the 1950s and 1960s the breed's popularity increased and it is still Australia's most popular breed of pig due to both economic advantages and quality of lean meat produced. [1]
The Belgian Landrace, also known as the Improved Belgian, Belgian Improved Landrace, and the Belgian Lop-eared, is a breed of domestic pig from northern Belgium.It was created from importing English breeds and improving them until they were "graded up" to the German Improved Landrace from 1930 to 1945 and then breeding them with the Dutch Landrace in 1945.
The Aksai Black Pied (Russian: Аксайская черно-пестрая, romanized: Aksaiskaya cherno-pestraya) is a distinctively black and white spotted pig breed from Kazakhstan. [1] The breed was developed starting in 1952 at the Kasalenki state breeding and the Aksai experimental and training farms as a meat production pig.