Animal reproduction : invited papers / presented at a symposium held May 14-17, 1978, at the Beltsville Agricultural Research Center (BARC), Beltsville, Maryland ... ; organized by the BARC Symposium III Committee, Harold W. Hawk, Chairman ; sponsored by the Beltsville Agricultural Research Center Northeastern Region, Science and Education Administration, United States Department of Agriculture. Hawk, Harold William, 1927- United States. Agricultural Research Center, Beltsville, Md. Symposium III Committee. Beltsville Agricultural Research Center. Livestock Breeding Congresses. Livestock Reproduction Congresses. Veterinary endocrinology Congresses. SF105 .A65 636.082 ANI Includes bibliographies and indexes. Montclair, N.J. : Allanheld, Osmun ; New York : distribution, Halsted Press, 1979. 1979. 1979 Text xii, 434 p. : eng Beltsville symposia in agricultural research ; 3