Sorensen, Anton Marinus 1925- Animal reproduction, principles and practices / A. M. Sorensen, J r. - New York : McGraw-Hill, c1979. - xvi, 496 p. : ill. ; 25 cm. - McGraw-Hill publications in the agricultural sciences . Includes bibliographical references and index. ISBN: 0070596700 Subjects--Topical Terms: Livestock -- Reproduction. Livestock -- Breeding. Reproduction. Veterinary physiology. Veterinary anatomy. Dewey Class. No.: 636.08926 SOR