作者:sponsored by North Carolina State and Duke universities ; edited by Grover L. Rogers ; co-edited by S.C. Kranc, E.G. Henneke ; executive chairman, P.H. McDonald, Jr.
作者:organized by the Executive Committee for International Congresses on Animal Reproduction and Artificial Insemination, Departamento de Genetica y Mejora, Departamento de Reproduccion Animal ; sponsored by Ministerio de Agricultura de Espan?a, with the scie
sponsored by North Carolina State and Duke universities ; edited by Grover L. Rogers ; co-edited by S.C. Kranc, E.G. Henneke ; executive chairman, P.H. McDonald, Jr.
organized by the Executive Committee for International Congresses on Animal Reproduction and Artificial Insemination, Departamento de Genetica y Mejora, Departamento de Reproduccion Animal ; sponsored by Ministerio de Agricultura de Espan?a, with the scie