965 resultados para Duroc Jersey swine.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Sponsored by the National Pork Producers Council, University of Illinois Cooperative Extension Service, Federal Extension Service, Agricultural Research Service of U. S. Department of Agriculture.
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Kept up to date by supplements.
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Kept up to date by supplements.
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Mode of access: Internet.
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First ed. published in 1952 under title: Swine husbandry.
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First ed. published in 1952 under title: Swine husbandry.
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"References": p. 85-86.
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Description based on: 1868.
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Mode of access: Internet.
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Mode of access: Internet.
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Latest issue consulted: 77th (June 30th 1959 and June 30th 1960).