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By: Engler, Kevin. - National Agricultural Library (U.S.)Edition:Publication info: Beltsville, Md, U.S. Dept. of Agriculture, National Agricultural Library, [1989?]Volume:Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Animal Husbandry Animal welfare Animals Audiovisual Aids Audio-visual aids Bibliographies BibliographyBHL Collections: