Lysine, arginine and methionine balance of diets for turkeys to 24 weeks of age. Poultry Sci

of the poult in the starting period is 1.5% of the diet; that of arginine 1.6 % and that of methionine 0.52%. No recommenda-tions are set for the concentrations of these amino acids in the diet beyond the age of 8 weeks. However, the studies of Alm-quist (1949), Grau and Kamei (1950) and, more recently, the work of Nelson et al. (1960) all show that the needs of poultry for specific amino acids, when expressed as percentages of the dietary protein, tend to remain constant