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题名: Impacts of diet on hindgut microbiota and short-chain fatty acids in grass carp (Ctenopharyngodon idellus)
作者: Hao, Yao Tong1, 2, 3; Wu, Shan Gong1, 2, 3, 4; Jakovlic, Ivan5; Zou, Hong1, 2; Li, Wen Xiang1, 2, 3; Wang, Gui Tang1, 2, 3
关键词: feed ; fish ; intestinal microbiota ; protein/fibre ratio ; SCFA
刊名: AQUACULTURE RESEARCH
发表日期: 2017-11-01
DOI: 10.1111/are.13381
卷: 48, 期:11, 页:5595-5605
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Fisheries
研究领域[WOS]: Fisheries
英文摘要: Diet is known to influence intestinal microbiota in fish, but the specifics of these impacts are still poorly understood. Different protein/fibre ratio diets may result in differing structures and activities of gut microbiota. We examined the hindgut microbiome of grass carp (Ctenopharyngodon idellus) fed three different diets: fish meal (FM, high protein - low fibre), Sudan grass (SG, high fibre - low protein) and compound feed (CF, intermediate). Microbial profiles of fish fed on FM were significantly different from profiles of fish fed CF and SG (F = 18.85, p < .01). Cetobacterium, known to be positively associated with protein digestion, was the dominant microbial group in FM samples (approximately 75.7%), while Lachnospiraceae and Erysipelotrichaceae, thought to be involved in fermentation of plant polysaccharides, were dominant in CF and SG samples (46.8% and 42.9% respectively). Network analyses indicated that the abundance of Lachnospiraceae and Erysipelotrichaceae was in a significantly positive correlation (r = .895, p = .001). Short-chain fatty acid (SCFA) levels may indicate that the digestibility of diet by microbiota in the grass carp gut decreased from FM to SG (FM>CF>SG). Overall low SCFA levels indicate that hindgut fermentation probably provides a low proportion of energy requirements in grass carp.
关键词[WOS]: FRESH-WATER FISH ; GUT MICROBIOTA ; GASTROINTESTINAL-TRACT ; INTESTINAL MICROBIOTA ; BACTERIAL COMMUNITIES ; DIVERSITY ; FERMENTATION ; VALENCIENNES ; EXTRACTION ; ABUNDANCE
语种: 英语
项目资助者: National Natural Science Foundation of China(31372571 ; The earmarked fund for China Agriculture Research System(CARS-46-08) ; 31272706)
WOS记录号: WOS:000412517900017
ISSN号: 1355-557X
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/35283
Appears in Collections:鱼类生物学及渔业生物技术研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, Minist Agr, Key Lab Aquaculture Dis Control, Wuhan, Hubei, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan, Hubei, Peoples R China
3.Univ Chinese Acad Sci, Beijing, Peoples R China
4.Freshwater Aquaculture Collaborat Innovat Ctr Hub, Wuhan, Hubei, Peoples R China
5.Wuhan Inst Biotechnol, Biotransduct Lab, Wuhan, Hubei, Peoples R China
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