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Principles of Balancing Swine Rations

James Robert JonesJ. C. ReaL. J. Johnson

出版	Cooperative Extension Service, Michigan State University, 1981
URL	http://books.google.com.hk/books?id=sXDzzgEACAAJ&hl=&source=gbs_api

註釋

Discusses how to balance the ration for swine.