Effects Of Clostridium Butyricum On G.rowth Performance, Lipid Metabolism A nd The Caecal Microecological Environment Of Broilers
文献类型: 外文期刊
作者: Shi, S. R.;Ding, Xiao;Yang, Z. B.;Zhao, Xu;Shao, Dan;Shen, Yiru;Shi, S. R.
作者机构:
关键词: Broiler; nutrition; Clostridium butyricum; growth; lipid metabolism; caecal microecological environment
期刊名称: EUROPEAN POULTRY SCIENCE
ISSN: 1612-9199
年卷期: 2017 年 81 卷
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摘要: To investigate the effects of Clostridium butyricum on growth performance, lipid metabolism and caecal microecological environment of broilers, 256 one-day-old male Arbor Acres broiler chicks were randomly allocated into two treatment groups with 8 replicates in a completely randomised design. The broilers were fed on maize-soybean- meal-based diets and supplemented with 0 or 5 x 10(8) cfu of C. butyricum/kg of diet for 42 days. The birds in the C. butyricum-supplemented groups showed higher (P < 0.05) ADG and lower (P < 0.05) FCR during the grower phase and throughout the entire period of the experiment. In addition, supplementation with C. butyricum increased (P < 0.05) the content of intramuscular fat and the activity of lipoprotein lipase in the breast muscle, increased (P=0.019) the butyric acid concentration in the caecal contents at 42 d of age, enhanced (P < 0.05) the relative abundance of Lactobacillus in the caecal contents at both 21 and 42 d of age but reduced (P=0.014) the activity of hormone-sensitive lipase in the breast muscle at 42 d of age. The results of this study indicate that dietary supplementation with C. butyricum can improve growth performance, lipid metabolism and the caecal microecological environment of broilers.
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