Effects of dietary Lycium barbarum polysaccharide on the growth, antioxidant, immunity response, and intestinal microbiota in Bulatmai barbel (Luciobarbus capito)
文献类型： 外文期刊
作者： Luo, Liang 1 ; Meng, Xianwei 1 ; Wang, Shihui 1 ; Zhang, Rui 1 ; Guo, Kun 1 ; Xu, Wei 1 ; Wang, Wei 2 ; Zhao, Zhigang 1 ;
作者机构： 1.Chinese Acad Fishery Sci, Heilongjiang River Fisheries Res Inst, Key Lab Cold Water Fish Germplasm Resources & Mult, Harbin 150070, Peoples R China
2.Harbin Inst Technol, Sch Environm, State Key Lab Urban Water Resource & Environm SKLU, Harbin 150090, Peoples R China
关键词： Bulatmai barbel; Growth; Immunity; Intestinal flora; Lycium barbarum
期刊名称：ANIMAL FEED SCIENCE AND TECHNOLOGY （ 影响因子：2.7； 五年影响因子：3.1 ）
ISSN： 0377-8401
年卷期： 2025 年 324 卷
页码：
收录情况： SCI
摘要： Chinese herbal polysaccharides has the functions of enhancing immunity, anti-oxidation, regulating intestinal flora, which was widely used in animals, but rarely used in fish. This study investigated the influence of dietary Lycium barbarum polysaccharide (LBP) on growth performance, digestive performance, immune performance, gene expression, and intestinal flora in Bulatmai barbel. The control cohort received a basal diet, whereas the treatment cohorts consumed identical basal diets comprising 0.10 %, 0.20 %, and 0.40 % LBP for 8 weeks. The findings indicated that compared with the control cohort, 0.10 % LBP notably enhanced the weight gain rate (WGR) and specific growth rate (SGR), while diminishing the feed coefficient (FCR). Overall, 0.10 % LBP markedly improved digestive performance and elevated trypsin, lipase, and amylase functional levels. Additionally, 0.10 % LBP markedly increased the antioxidant activity in Bulatmai barbel. LBP upregulates the mRNA expression of Heat shock proteins (HSP70), Alkaline phosphatase (AKP), and Superoxide dismutase (SOD). Of note, 0.10 % LBP can increase the diversity and richness of intestinal flora. Furthermore, LBP enhanced the proportional presence of fusobacteria while reducing proteobacteria levels. At the genus level, it elevated the proportional presence of Cetobacterium. Therefore, this study has shown that 0.10 % LBP positively regulated growth performance, digestive performance, immune performance, gene expression, and intestinal flora in Bulatmai barbel. LBP is a feed additive with excellent potential.
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