Effect of Dietary Supplementation of Some Emulsifiers on Growth Performance, Carcass Traits, Lipid Peroxidation and Some Nutrients Digestibility in Broiler Chickens

Document Type : Original Article

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Department of Nutrition and Vet.Clinical Nutrition, Faculty of Veterinary Medicine,Damanhour University . Egypt

Abstract

For 5 weeks feeding trail, one hundred and eighty one day old chicks were used to investigate the effect of dietary supplementation of some emulsifiers on growth performance in broiler chickens and some nutrients digestibility in broiler. The birds were randomly divided into 6 groups, each group were divided into 3 replicate (10 birds per replicate) and fed the experimental diets; group1 (G1) fed on the basal diet without additives as control, group 2 (G2) fed basal diet with bile acids(Bas), group 3 (G3) fed basal diet with Bile acids and Lecithin (L), group 4 (G4) fed basal diet with bile acids and polyethylene glycol ricinoleate (PGR), group 5 (G5) fed basal diet with lecithin and group 6 (G6) fed basal diet with polyethylene glycol ricinoleate. The results showed nonsignificant (p≥0.05) differences in final body weight, total weight gain and total feed conversion ratio between all experimental groups but the results of total feed intake showed significant (p < 0.05) increase in bile, bile with lecithin and lecithin supplemented groups compared with the control one. Liver index showed significant (p < 0.05) increase in bile group while bile with PGR group showed significant (p < 0.05) decrease compared with the control one. The obtained results of lipid peroxidation (malondialdehyde content) in both liver and breast muscle meat showed nonsignificant (p≥0.05) differences among all experimental groups. Poly unsaturated fatty acid content in meat showed nonsignificant (p≥0.05) difference between all experimental groups but there was a numerical increase in all treated groups compared with the control one.

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