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2010•Zhongguo xumu zazhiRequires access

Effects of B.subtilis on Growth Performance,Antioxidant and Immunity of Broilers

Li WeiFen

Open publisher page 3 citations

Abstract

This study was conducted to examine the effects of B.subtilis on growth performance,antioxidant and immunity of broilers.A total of 216 day-old Ross 308 broilers were divided into the control group(basal diet) and the treatment group(basal diet supplemented with 105 CFU/g B.subtilis).Each group had three replicates and each replicate included 36 broilers(half male and half female).The experiment lasted for 42 d.The results showed that ADG,T-AOC and the activity of GSH-Px of the treatment group were improved significantly compared to the control group,while the level of serum MDA,NO and MDA in liver were decreased significantly.The B.subtilis could improve thymus index,bursa index and the level of serum IgG,but did not affect spleen index,serum lysozyme,IL-2 and TNF-α significantly.These results indicated that growth performance of broilers fed diet with B.subtilis was improved by increase of antioxidant and immunity.

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What this paper is about

This study was conducted to examine the effects of B.subtilis on growth performance,antioxidant and immunity of broilers.A total of 216 day-old Ross 308 broilers were divided into the control group(basal diet) and the treatment group(basal diet supplemented with 105 CFU/g B.subtilis).Each group had three replicates and each replicate included 36 broilers(half male and half female).The experiment lasted for 42 d.The results showed that ADG,T-AOC and the activity of GSH-Px of the treatment group were improved significantly compared to the control group,while the level of serum MDA,NO and MDA in liver were decreased significantly.The B.subtilis could improve thymus index,bursa index and the level of serum IgG,but did not affect spleen index,serum lysozyme,IL-2 and TNF-α significantly.These results indicated that growth performance of broilers fed diet with B.subtilis was improved by increase of antioxidant and immunity.

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Available abstract

This study was conducted to examine the effects of B.subtilis on growth performance,antioxidant and immunity of broilers.A total of 216 day-old Ross 308 broilers were divided into the control group(basal diet) and the treatment group(basal diet supplemented with 105 CFU/g B.subtilis).Each group had three replicates and each replicate included 36 broilers(half male and half female).The experiment lasted for 42 d.The results showed that ADG,T-AOC and the activity of GSH-Px of the treatment group were improved significantly compared to the control group,while the level of serum MDA,NO and MDA in liver were decreased significantly.The B.subtilis could improve thymus index,bursa index and the level of serum IgG,but did not affect spleen index,serum lysozyme,IL-2 and TNF-α significantly.These results indicated that growth performance of broilers fed diet with B.subtilis was improved by increase of antioxidant and immunity.

Key concepts: Immunity, Broiler, Biology, Antioxidant, Bacillus subtilis, Basal (medicine), Antioxidant capacity, Spleen

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Effects of B.subtilis on Growth Performance,Antioxidant and Immunity of Broilers — Research Paper | ScholarLens