Effects of Clostridium butyricum on growth, digestive enzyme activity, antioxidant capacity and gut microbiota in farmed tilapia (Oreochromis niloticus)
文献类型： 外文期刊
作者： Zhang, Mingqing 1 ; Dong, Bo 2 ; Lai, Xingxing 1 ; Chen, Zhuang 2 ; Hou, Liping 1 ; Shu, Rui 3 ; Huang, Yanhua 4 ; Shu, H 1 ;
作者机构： 1.Guangzhou Univ, Sch Life Sci, Guangzhou 510006, Peoples R China
2.Guangdong Acad Agr Sci, Agro Biol Gene Res Ctr, Guangzhou, Peoples R China
3.Guangzhou Guanxing Agr Sci & Technol Co Ltd, Guangzhou, Peoples R China
4.Zhongkai Univ Agr & Engn, Innovat Inst Anim Hlth Breeding, Guangzhou, Peoples R China
关键词： Clostridium butyricum; genetically improved; farmed tilapia; growth; gut microbiota; immunity; water quality
期刊名称：AQUACULTURE RESEARCH （ 影响因子：2.082； 五年影响因子：2.415 ）
ISSN： 1355-557X
年卷期： 2021 年 52 卷 4 期
页码：
收录情况： SCI
摘要： The effects of a commercial probiotic (Clostridium butyricum) on growth, gut microbiota, digestion-related enzyme activity, antioxidant capacity and water quality in genetically improved, farmed tilapia (GIFT; Oreochromis niloticus) were assessed in a closed-circuit, container culture system. A basal diet containing commercially available C. butyricum at 3.0 x 10(10), 1.5 x 10(11) and 3.0 x 10(11) CFU/kg, and a control diet were fed to tilapia fries for 90 days. Growth performances and water quality were improved by probiotic treatment. Activities of digestive enzymes (amylase, lipase and trypsin) were improved, especially with 1.5 x 10(11) CFU/kg (p < 0.05). After feeding for 45 days and 90 days, antioxidant capacity in the liver, spleen and head kidney, and the plasma immunity in the treatment groups improved. The analysis of 16S rRNA indicated that C. butyricum did not significantly increase its abundance in the hindgut, but could modulate gut microbial communities and significantly increase functions relating to nitrogen metabolism, phosphorylation and proteinases. These results support the administration of C. butyricum, especially at 1.5 x 10(11) CFU/kg. As a probiotic for high-density tilapia, C. butyricum improves water quality, growth performance, antioxidant capacity and the immune response of GIFT under crowding stress.
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