您好，欢迎访问中国水产科学研究院 机构知识库！
中国水产科学研究院机构知识库

全部

  • 全部
  • 标题
  • 学者
  • 机构
  • 关键词

Effects of alternate feeding between fish meal and novel protein diets on the intestinal health of juvenile largemouth bass (Micropterus salmoides)

文献类型： 外文期刊

作者： Li, Lukuan 1 ; Liu, Xiaojuan 1 ; Wang, Yu 1 ; Huang, Yanqing 2 ; Wang, Chunfang 1 ;

作者机构： 1.Huazhong Agr Univ, Coll Fisheries, Engn Res Ctr Green Dev Convent Aquat Biol Ind Yan, Hubei Prov Engn Lab Pond Aquaculture,Minist Educ, Wuhan 430070, Peoples R China

2.Chinese Acad Fishery Sci, East China Sea Fisheries Res Inst, Shanghai 200090, Peoples R China

关键词： Micropterus salmoides; Intestinal health; Chlorella vulgaris (ChM); Clostridium autoethanogenum (CAP); Cottonseed protein concentrate (CSM)

期刊名称：AQUACULTURE REPORTS （ 影响因子：3.385； 五年影响因子：3.645 ）

ISSN： 2352-5134

年卷期： 2022 年 23 卷

页码：

收录情况： SCI

摘要： To investigate the possibility of completely replacing dietary fish meal with several novel proteins in largemouth bass (Micropterus salmoides), the intestinal health of largemouth bass switched to novel protein diets after being fed with fish meal diet for a certain time were examined. The novel proteins included Chlorella vulgaris (ChM), Clostridium autoethanogenum (CAP), and cottonseed protein concentrate (CSM). The four isonitrogenous and isoenergetic diets containing different proteins were formulated. Fish meal diet was fed to experimental fish with an initial body weight of 4.99 +/- 0.19 g for the first four weeks and then fed each single protein diet for another four weeks. The results suggested that the fish meal group as well as ChM group had a higher villi height and width than the other two novel proteins. The intestinal superoxide dismutase activity was significantly decreased in CSM and ChM but significantly enhanced in CAP, while the intestinal malondialdehyde level was significantly raised in CSM (P < 0.05). Furthermore, CSM up-regulated intestinal inflammation by significantly increasing pro-inflammatory cytokine expression and decreasing anti-inflammatory cytokine expression (P < 0.05). In comparison, CAP and ChM down-regulated the intestinal inflammation and enhanced intestinal barrier integrity showing by the increased expression of marker genes (P < 0.05). The intestinal microbiota, as determined by high-throughput sequencing, revealed a rise in the abundance of pathogenic bacteria taxa (Proteobacteria, Acinetobacter) in CSM. In contrast, the abundance of beneficial bacteria taxa (Firmicutes, Bacteroidetes, and Cetobacterium) was increased in CAP and ChM. In conclusion, ChM and CAP benefited largemouth bass intestinal health by raising the activity of intestinal antioxidant enzymes, suppressing the inflammatory response, strengthening the intestinal barrier, and boosting the quantity of beneficial bacteria. CSM impaired largemouth bass intestinal health by decreasing antioxidant enzymes activities, increasing the inflammatory response as well as the abundance of pathogenic bacteria taxa.

  • 相关文献
作者其他论文 更多>>
置顶
购物车
反馈

© 京ICP备09089781号-29 主办单位：中国水产科学研究院

学术资源： 中国农业科学院 农业专业知识服务系统 农科联盟资源共建共享平台 中国农业科技文献与信息服务平台 中国农业期刊集成服务平台