Dietary administration of Bacillus subtilis enhances growth performance,immune response and disease resistance in Cherry Valley ducks

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作者单位: College of Veterinary Medicine，Shandong Agricultural University，Sino-German Cooperative Research Centre for Zoonosis of Animal Origin of Shandong Province，61 Daizong Road，Tai'an City 271000，Shandong Province，China；Collaborative Innovation Centre for the Origin and Control of Emerging Infectious Diseases of Taishan Medical College，Tai'an City 271000，Shandong Province，China

关键词: Probiotics Bacillus subtilis Cherry Valley duck growth performance innate immunity disease resistance

摘要: Given the promising results of applying Bacillus subtilisas a probiotic in both humans and animals,the aim of this study was to systematically investigate the effects of B.subtilis on growth performance,immune response and disease resistance in Cherry Valley ducks.At 28 d post-hatch,ducks fed a diet with B.subtilis weighed significantly more,had higher relative immune organ weights,and exhibited greater villus heights,villus height to crypt depth ratios,and shallower crypt depths in the duodenum...更多; Given the promising results of applying Bacillus subtilisas a probiotic in both humans and animals,the aim of this study was to systematically investigate the effects of B.subtilis on growth performance,immune response and disease resistance in Cherry Valley ducks.At 28 d post-hatch,ducks fed a diet with B.subtilis weighed significantly more,had higher relative immune organ weights,and exhibited greater villus heights,villus height to crypt depth ratios,and shallower crypt depths in the duodenum than controls fed a normal diet(p收起

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