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题名: Effect of dietary chitosan on growth performance, haematology, immune response, intestine morphology, intestine microbiota and disease resistance in gibel carp (Carassius auratus gibelio)
作者: Chen, Y.1, 2; Zhu, X.1; Yang, Y.1; Han, D.1; Jin, J.1; Xie, S.1
关键词: Aeromonas hydrophila ; Carassius aura ins gibelio ; chitosan ; immunity ; intestine microbiota ; intestine morphology
刊名: AQUACULTURE NUTRITION
发表日期: 2014-10-01
DOI: 10.1111/anu.12106
卷: 20, 期:5, 页:532-546
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: A 75-day experiment was conducted with juvenile gibel carp (Carassius auratus gibelio) (4.80 +/- 0.01 g) to evaluate effects of dietary chitosan on fish growth performance, haematology, intestine morphology and immune response. Six isonitrogenous (crude protein: 383 g kg(-1)) isolipid (97.5 a kg(-1)) and isocaloric (gross energy: 16.7 kJ g(-1)) diets were formulated to contain 0, 1800, 4000, 7500, 10 000, 20 000 mg kg(-1) chitosan, respectively. The results showed that the growth was depressed when the fish fed with 10 000 mg ka(-1) chitosan. Serum cholesterol, triglyceride and low-density lipoprotein decreased in 10 000 and 20 000 mg kg(-1) chitosan. On day 75, blood leucocyte phagocytic activity respiratory burst and alternative pathway of complement haemolytic activity were enhanced in 4000 mg kg(-1) chitosan. The number of goblet cell, intra-epithelial lymphocyte of mid-intestine and microvilli height of distal intestine increased at 4000 mg kg(-1) dietary chitosan. Dietary chitosan modulated intestine microbiota, depressed pathogen bacteria Aeromonas veronii-like and improved Cellulomonas hominis-like, Bacillus oceanisediminis-like and two uncultured bacterium-like species on day 75. Dietary 7500 and 10 000 mg kg(-1) chitosan enhanced the protection against Aeromonas hydrophila infection. In conclusion, oral administration of dietary 7500 mg kg(-1) chitosan for 75 days is recommended for the survival of gibel carp.
关键词[WOS]: ALTERNATIVE COMPLEMENT PATHWAY ; TURBOT SCOPHTHALMUS-MAXIMUS ; X OREOCHROMIS-AUREUS ; FRESH-WATER FISH ; CYPRINUS-CARPIO ; INNATE IMMUNITY ; MARINE ACTINOBACTERIA ; AEROMONAS-HYDROPHILA ; MANNAN OLIGOSACCHARIDES ; PARALICHTHYS-OLIVACEUS
语种: 英语
WOS记录号: WOS:000341872600008
ISSN号: 1353-5773
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/20304
Appears in Collections:淡水生态学研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
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