Dietary grape seed proanthocyanidins improved growth, immunity, antioxidant, digestive enzymes activities, and intestinal microbiota of juvenile hybrid sturgeon (Acipenser baeri Brandt female x A. schrenckii Brandt male)
文献类型： 外文期刊
作者： Xu, Guanling 1 ; Xing, Wei 1 ; Li, Tieliang 1 ; Yu, Huanhuan 1 ; Wei, Shibo 2 ; Jiang, Na 1 ; Ma, Zhihong 1 ; Luo, Lin 1 ;
作者机构： 1.Beijing Fisheries Res Inst, Beijing 100068, Peoples R China
2.Southwest Univ, Coll Fisheries, Chongqing, Peoples R China
关键词： antioxidant; digestive enzyme; grape seed extract; hybrid sturgeon (Acipenser baeri Brandt female x A; schrenckii Brandt male); intestinal microbiota; non-specific immunity; proanthocyanidins
期刊名称：AQUACULTURE NUTRITION （ 影响因子：3.497； 五年影响因子：3.78 ）
ISSN： 1353-5773
年卷期： 2021 年 27 卷 6 期
页码：
收录情况： SCI
摘要： An 8-week growth trial was performed to evaluate the effects of grape seed proanthocyanidins (GSPs) on growth, digestive enzymes, body composition, intestinal microbiota, serum immunological, anti-oxidative and biochemical parameters of juvenile hybrid sturgeon (Acipenser baeri Brandt female x A. schrenckii Brandt male). Fish were randomly divided to control, GSPs-50 and GSPs-100 groups, which were fed with a basal diet and basal diet supplemented with 50 and 100 mg/kg GSPs, respectively. Growth performance and digestive enzymes were improved by GSPs in sturgeon (p < .05). Lysozyme was clearly increased in serum when sturgeon fed with GSPs diets, while the thiobarbituric acid reactive substances (TBARS) displayed opposite trend (p < .05). Myeloperoxidase and glutathione peroxidase in serum of GSPs-50 were higher than control and GSPs-100 (p < .05). Serum parameters showed alanine aminotransferase, alkaline phosphatase and gamma-glutamyl transpeptidase of GSPs-50 were lower than control (p < .05). Compared with the control treatment, GSPs-100 reduced alanine aminotransferase and gamma-glutamyl transpeptidase and increased aspartate aminotransferase and lactate dehydrogenase (p < .05). High-throughput sequencing revealed that adding 50 mg/kg GSPs not only modified the microbiota diversity, but also reduced the relative abundance of Aeromonas in sturgeon intestine. In conclusion, GSPs are a promising feed additive to promote growth, immunity, antioxidant and digestive enzyme activities and improve serum biochemical parameters and intestinal microbiota of hybrid sturgeon.
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