Erwan , Edi. “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, no. 1 (December 15, 2017): 28–33. Accessed September 21, 2025. https://ijpsjournal.org/index.php/ijps/article/view/2383.