“Effect of L - Lysine - Monohydrochloride Supplementation on Body Weight, Feed and Energy Utilization in Broiler Chicks ”. 1989. The Sudan Journal Of Animal Production المجلة السودانية للانتاج الحيواني 2 (2): 39-44. https://sud-jap.sd/Journal/index.php/sjap/article/view/42.