Gyurcsó G, Tóth T, Fábián J, Tossenberger J. The influence of L-valine supplementation of the diets on the live weight of broiler chickens (between 1−28 days of age). AAK. 2011;15(2):71-78. Accessed December 5, 2025. https://journal.uni-mate.hu/index.php/aak/article/view/2043