Herren, Ray V. The Science of animal agriculture / Ray V. Herren. - 2nd ed. - Albany, N. Y. : Delmar Pub., c2000. - xii, 371 p., [8] p. of plates : ill. (some col.), maps ; 24 cm. Includes bibliographical references and index. ISBN: 0827386125 Subjects--Topical Terms: Livestock.Animal culture.Domestic animals.