Gül, E., and A. Yıldız. “Ιnfluence of Increased Dietary Valine on Broiler Performance, Serum Components, Nitrogen Excretion and Jejunum Histomorphology”. 2024. Journal of the Hellenic Veterinary Medical Society, vol. 75, no. 2, July 2024, pp. 7419-28, doi:10.12681/jhvms.34678.