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题名: Effects of dietary glycinin on the growth performance, digestion, intestinal morphology and bacterial community of juvenile turbot, Scophthalmus maximus L.
作者: Li, Yanxian1; Yang, Pei1; Zhang, Yanjiao1; Ai, Qinghui1; Xu, Wei1; Zhang, Wenbing1; Zhang, Yongan2; Hu, Haibin1; Liu, Jintao1; Mai, Kangsen1
关键词: Glycinin ; Growth performance ; Digestibility ; Intestinal morphology ; Microbiota ; Turbot
刊名: AQUACULTURE
发表日期: 2017-10-01
DOI: 10.1016/j.aquaculture.2017.05.008
卷: 479, 页:125-133
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Fisheries ; Marine & Freshwater Biology
研究领域[WOS]: Fisheries ; Marine & Freshwater Biology
英文摘要: This study was run to investigate effects of dietary glycinin on the growth performance, digestion, intestinal morphology and bacterial community of juvenile turbot (Scophthalmus maximus L.). Graded levels (0%, 3%, 6% and 12%) of purified glycinin were added to the basal diet to formulate four experimental diets containing 0%, 2.18%, 4.17% and 8.31% immunologically active glycinin, respectively. Triplicate groups of 30 fish were fed to apparent satiation twice daily for 12 weeks. Dietary inclusion of glycinin did not affect feed intake, feed efficiency ratio or weight gain of turbot, however, fish fed 12% glycinin showed a significant decrease in the apparent digestibility of dry matter and protein, as well as the whole-body lipid content. Meanwhile, slightly increased infiltration of mixed leukocytes in the lamina propria was observed in turbot fed 12% glycinin, so was specific IgM against glycinin in the serum. Sequencing of bacterial 16s rRNA V-4 region showed that Proteobacteria (90.64%), Bacteroidetes (6.01%) and Firmicutes (1.73%) were the dominant bacteria in the intestine of turbot. Dietary inclusion of glycinin had no significant effect on the overall structure of bacterial community but dramatically reduced the relative abundance of the Vibrio genus, one of the core microbes, in a dose-independent manner. Our results suggest that turbot can tolerate a relatively high level of immunologically active glycinin (8.31%) in the diet without showing notable impairments of growth performance and gut function.
关键词[WOS]: SOYBEAN BETA-CONGLYCININ ; GADUS-MORHUA L. ; IN-VITRO ; RAINBOW-TROUT ; ONCORHYNCHUS-MYKISS ; PRERUMINANT CALVES ; FOOD ALLERGENS ; MEAL ; PROTEINS ; METABOLISM
语种: 英语
项目资助者: National Natural Science Foundation of China(31202006 ; National Program on Key Basic Research Project(2014CB138601) ; China Agriculture Researches System(CARS 50-G08) ; 41576137)
WOS记录号: WOS:000408034700017
ISSN号: 0044-8486
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/34492
Appears in Collections:水生生物分子与细胞生物学研究中心_期刊论文

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作者单位: 1.Ocean Univ China, Minist Educ, Key Lab Aquaculture Nutr & Feed, Minist Agr,Key Lab Mariculture, Qingdao 266003, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
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