Effect of supplementation of probiotic (Bacillus subtilis) on growth performance and carcass traits of broiler chickens

This study was conducted to find out the efficacy of probiotic (Bacillus subtilis) on growth performance and carcass traits of broiler birds. The experiment followed completely randomized design in which the day old broiler chicks (n=180) were divided into 4 dietary treatment groups (T1-T4) as 3 replicates of 15 chicks in each.