The replacement of some of the soybean meal by the first‐limiting amino acids in practical broiler diets

摘要: 1. Four trials were carried out with broilers from 5 to 9 weeks of age in order determine the effect reducing dietary protein concentration, and without special supplementations methionine lysine, on amount carcass fat. 2. In all fat deposition increased progressively as concentrations well‐balanced standard finisher diets lowered by replacing soybean meal sorghum grains (milo). 3. The degree fatness was result graded increases food consumption, consequent decreases utilisation, caused inadequate protein. 4. three four above negative trends could be partly or completely reversed lysine amounts restore concentration these first‐limiting amino acids those control diets. 5. It appears that overeat a compensatory attempt obtain limiting required for optimal growth rate, long a...