Abstract
Two experiments will be conducted, the first in the initial fase (1 to 21 days of age) and the other at the growth fase (22 to 42 days of age). The animals will be 3200 Cobb broiles. The aim is to evaluate, chest (Pectoralis major) morphology, composition and quality, using diets with different levels of digestible lisine and metionine + cistine. Performance data will be analyzed (weight…