A feeding trial was conducted to determine the effect of varying dietary levels protein on performance Japanese quail chicks. Six iso-caloric (2953-3078 kcal/kg, ME) diets were formulated contain crude (CP) at 18, 20, 22, 24, 26 and 28% levels, respectively. Each treatment replicated three times with sixty (60) chicks per replicate. total 1080 day-old unsexed used for study distributed using co...