发酵饲料对克氏原螯虾生长性能、肌肉品质、抗氧化能力和肠道微生物群落的影响
Effects of fermented feed on growth performance,muscle quality,antioxidant capacity and intestinal microflora in Procambarus clarkii
摘要
Abstract
To explore the feeding effect of fermented formula feed in red swamp crayfish(Procambarus clarkii),unfermented and fermented feeds were fed to juvenile P.clarkii[initial body weight(4.91±0.18)g]in an indoor circulating water system for eight weeks.The effects of fermented feed on growth,muscle quality,digestion,anti-oxidant capacity,and intestinal flora structure of P.clarkii were analyzed.The results showed that,① the dissolu-tion rate of fermented feed was significantly lower than that of unfermented feed.② The fermented diet signific-antly increased weight gain rate,and specific growth rate.Furthermore,it decreased feed conversion ratio,but had no significant effect on survival rate,hepatosomatic index(HSI),flesh content,and body composition.③ The fer-mented diet significantly improved muscle hardness,elasticity,chewiness and stickiness of P.clarkii,and decreased adhesion.④ The fermented diet significantly increased the activities of trypsin and lipase in hepatopan-creas and intestinal tract,the activities of superoxide dismutase,acid phosphatase,and alkaline phosphatase in serum and hepatopancreas,and the total antioxidant capacity of the hepatopancreas.⑤ The fermented feed signi-ficantly increased the length and width of intestinal villi.⑥The fermented feed improved the intestinal microbial structure of P.clarkii,significantly increased the relative abundance of Firmicutes and Actinobacteria,and increased the diversity of intestinal flora.Overall,the fermented feed effectively improved the growth perform-ance,muscle quality,digestion,and antioxidant capacity by improving the intestinal tract tissue structure and chan-ging the structure of intestinal microorganisms of P.clarkii.关键词
克氏原螯虾/发酵饲料/生长性能/肌肉品质/抗氧化能力/肠道菌群Key words
Procambarus clarkii/fermented feed/growth performance/muscle quality/antioxidant capacity/intestinal flora分类
农业科技引用本文复制引用
姚海行,陈效儒,袁汉文,罗凯,方刘,陈燚,郜卫华,田娟,刘永胜..发酵饲料对克氏原螯虾生长性能、肌肉品质、抗氧化能力和肠道微生物群落的影响[J].水产学报,2023,47(12):121-134,14.基金项目
中国水产科学研究院基本科研业务费专项(2022XT01) （2022XT01）
四川省重点研发项目(2018NZ0152) （2018NZ0152）
通威股份有限公司产学研合作项目(TW2018I001,2011259) （TW2018I001,2011259）
湿地生态与农业利用教育部工程研究中心开放课题(KFT202003,KFT202102) （KFT202003,KFT202102）
湖北省教育厅百校联百县项目(BXLBX0312,BXLBX0306) Central Public-interest Scientific Institution Basal Research Fund,CAFS(2022XT01) （BXLBX0312,BXLBX0306）
Key Research and Development Project of Sichuan Province(2018NZ0152) （2018NZ0152）
Industry-university-research Cooperation of Tongwei Co.Project(TW2018I001,2011259) （TW2018I001,2011259）
Engineering Research Center of Ecology and Agricultural Use of Wetland,Ministry of Education(KFT202003,KFT202102) （KFT202003,KFT202102）
Hundreds of Schools and Counties Project from Department of Education of Hubei Province(BXLBX0312,BXLBX0306) （BXLBX0312,BXLBX0306）
