Swine Diseases and Resources by the Center for Food Security & Public Health, Iowa State University, Ames, Iowa, U.S.A..
Categories for Pig (Porcine)
Links for Pig (Porcine):
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http://www.cfsph.iastate.edu/Species/swine.php
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Specific Diseases of Pigs by the Food and Agriculture Organization of the United Nations.
http://www.fao.org/docrep/003/t0756e/t0756e05.htm