EFFECT OF PROBIOTIC SUPPLEMENTATION ON LOW PROTEIN DIET ON BROILER PERFORMANCE
This study was carried out to determine the effect of probiotics supplemented in low protein diets on performances of broiler aged 2-6 weeks. The design used was a completely randomized design (CRD) with three treatments and six replications. Each replication consisted of three broiler chickens aged two weeks with homogeneous body weight. The treatments were a standard ration containing 20% crude protein as a control diets (A), the ration with 18% crude protein content (B), and a diet with 18% crude protein content with a probiotic 0.20% Saccharomyces spp supplemented (C). Feed containing 2900kcal/kg metabolic energy and water were provided ad libitum. The results showed that the decrease of crude protein content rations of 2% units lower than the recommended standard rations (treatment B) were significantly reduced (P<0.05) on final body weight, body weight gains, and feed efficiency compared both with the control and treatmens C groups. In contrast, there were increased significantly different (P<0.05) on the amount of abdominal-fat. Supplementation of probiotic 0.20% Saccharomyces spp in the ration C were increased on body weight gains and feed efficiencies significantly different (P<0.05) compared with treatment B. In contrast, there were decreased significantly (P<0.05) different on abdominal-fat and blood serum cholesterol contents of chicken. It was concluded that supplementation of probiotic 0.20% Saccharomyces spp culture in ration with protein content 18 % resulting the same of broiler performance aged 2-6 weeks compared to the control. Supplementation of probiotic 0.20% Saccharomyces spp cultures in the ration can decrease abdominal fat and blood serum cholesterol contents of broiler aged 2-6 weeks.
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