Abstract: | Avian Endocrinology. Edited by P.J. Sharp, 1993. 408 pp., Bristol, The Society for Endocrinology. Endocrine Updates Series. Price £39.50. Poultry Feed from Waste: Processing and Use. Edited by A.R.Y. El Boushy and A.F.B. van der Poel, 438 pp., 85 illustrations, 152 tables, 829 references. London UK, Chapman & Hall. £95 ISBN 0412 58280 5. |