Domestic pigs used in pig production
Domestic pig breeds used in modern pig production and selective breeding.
Published animal profiles

Duroc
The Duroc is a domestic pig breed developed from red pig lines in the United States. Coats range from light reddish brown to deep red-brown, and forward-drooping ears are characteristic.
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Hampshire
The Hampshire is a domestic pig breed registered and developed in the United States from lines introduced from Britain. A white belt across the shoulders and forelegs of a black body, with upright ears, is characteristic.
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Landrace pig
Landrace is a domestic pig lineage with registered, selectively bred populations in several countries. Light skin, white hair, a long body and forward-drooping ears are characteristic.
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Chester White
The Chester White is a domestic pig breed developed in Pennsylvania, United States. It was selectively bred using several white pig lines. White hair and drooping ears are characteristic. Comparison with upright-eared Yorkshire lines helps reveal distinguishing features.
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Poland China
The Poland China is a pig breed developed in Ohio, United States. Its name should not be taken to describe a single breed originating directly in Poland or China. A black body with white on the face, feet and tail tip, and drooping ears, is characteristic.
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Spotted pig
The Spotted is an American spotted domestic pig breed. Its breeding history relates to several lines, including Poland China. Irregular black-and-white patches and drooping ears are characteristic.
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Large Black
The Large Black is a black domestic pig breed developed in Britain. It is conserved as traditional livestock and has a history connected to outdoor pig husbandry. The body and skin are black, and large drooping ears sometimes partly cover the eyes.
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American Yorkshire
The American Yorkshire is a registered breed developed in the United States from British Large White ancestry. Distinguish regional registration names from foundation lines. A white body and upright ears are characteristic. Compare it with the white-bodied Landrace, which has drooping ears.
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