Abstract
The objective of this project is to evaluate the effect of vitamin C levels and tryptophan on performance, physiological and behavioral indicators of broilers reared on high density. An experiment will be conducted during the period 1 to 42 days old. The experimental design is a completely randomized factorial 2 X 5 + 1 (vitamin C levels: 0 and 250 mg / kg diet X tryptophan levels: 100, 1…