Erwan , E. 2017. Supplementation of Caloric- and Protein-restricted Diets with L-leucine Stimulates Food Intake and Improves Carcass Characteristics in Broiler Chickens. International Journal of Poultry Science. 17, 1 (Dec. 2017), 28–33. DOI:https://doi.org/10.3923/ijps.2018.28.33.