Sohail, S.S., M.M. Bryant, and D.A. Roland Sr. “Influence of Adding Synthetic Lysine in Corn-Soy Diets for Commercial Leghorns”. International Journal of Poultry Science 2, no. 5 (August 15, 2003): 335–340. Accessed September 22, 2025. https://ijpsjournal.org/index.php/ijps/article/view/109.