Patrick, Homer. Poultry, feeds and nutrition / Homer Patrick and Philip J. Schaible. - 2nd edition. - Westport, Connecticut : AVI Publishing Company, c1980. - xii, 668 pages : illustrations ; 24 cm. Includes index. Bibliography: p. 637-660. ISBN: 0870553534 0870553607 (pbk.) LCCN: 80017202 Subjects--Topical Terms: Poultry--Feeding and feeds. LC Class. No.: SF494 / .P38 1980 Dewey Class. No.: 636.5/085