Evaluation of Dietary Tryptophan Levels as a Restriction Method for Broiler Breeder Pullets , ,

Abbott, 1971, An evaluation of the various methods of delaying sexual maturity and their effects upon subsequent reproductive performance of broiler breeder replacement pullets, Poultry Sci., 50, 1542 Association of Official Agricultural Chemists, 1965 Fuller, 1973, Methods of delaying sexual maturity of pullets. 2. Restricting energy consumption, Poultry Sci., 52, 228, 10.3382/ps.0520228 Gordon, 1964, Growth status and tryptophan deficiency in very young chickens, Nature, 203, 320, 10.1038/203320a0 Gries, 1972, The pathology of thiamin, riboflavin, pantothenic acid and niacin deficiencies in the chick, J. Nutr., 102, 1269, 10.1093/jn/102.10.1269 Scott, 1971 Service, 1972, A User's Guide to the Statistical Analysis System