Basiouni, G., Najib, H., Zaki, M., & Al-Ankari, A. (2006). Influence of Extra Supplementation with Arginine and Lysine on Overall Performance, Ovarian Activities and Humoral Immune Response in Local Saudi Hens. International Journal of Poultry Science, 5(5), 441–448. https://doi.org/10.3923/ijps.2006.441.448