TY - BOOK AU - Campbell,John R. AU - Lasley,John Foster TI - The science of animals that serve mankind T2 - McGraw-Hill publications in the agricultural sciences U1 - 636 CAM/S PY - 1969/// CY - . - New York PB - : McGraw-Hill KW - Livestock N1 - "Glossary": p. [671]-733; Bibliographical footnotes ER -