Esmay, Merle L., 1920- Esmay, Merle L., 1920- Principles of animal environment / by Merle L. Esmay. - Westport, CT : AVI Pub. Co., 1969. - Environmental engineering in agriculture and food series . Part of illustrative matter in pocket. Includes bibliographies. ISBN: 0870550632 LCCN: 70079157 //r84 Subjects--Topical Terms: Livestock -- Housing.--Livestock -- Housing.Livestock -- Ecology.--Livestock -- Ecology.Veterinary physiology. LC Class. No.: SF91 / .E8 Dewey Class. No.: 636.08/31