上海海洋大学学报2025，Vol.34Issue(3)：562-574,13.DOI:10.12024/jsou.20240504537
雌雄专用育肥饲料对中华绒螯蟹亚成体育肥性能、生理代谢和生化组成的影响
Effects of gender-specific fattening diets on fattening performance,physiological metabolism and biochemical composition of pre-adult Chinese mitten crab(Eriocheir sinensis)
摘要
Abstract
Monosex cultivation of Chinese mitten crab is a potentially promising aquaculture method.Customizing gender-specific diets based on the nutritional requirements of males and females is a crucial prerequisite for precise feeding.This study employed a 2×2 factorial experimental design(2 diets×2 genders)and conducted an 80-day aquaculture experiment in outdoor pond enclosures.The research investigated the effects of gender-specific fattening diets on the cultivation performance,physiological metabolism,and biochemical composition of pre-adult male and female Chinese mitten crabs(Eriocheir sinensis).The experiment consisted of four groups:males fed with male-specific diet(MM),males fed with female-specific diet(MF),females fed with female-specific diet(FF),and females fed with male-specific diet(FM).Each group had four replicate enclosures.The results show that:Feeds had no significant effect on the growth,survival rate,yield,and feed conversion(P>0.05).However,gender had a significant impact on growth,yield,and feed conversion at day 80(P<0.05);The hepatosomatic index(HSI)and gonadosomatic index(GSI)of the FF group were higher than those of the FM group,and the GSI difference was significant on the 80th day(P<0.05).The total fat content in the hepatopancreas was significantly higher in the FF group than in the FM group(P<0.05).However,there were no significant differences in conventional biochemical components in edible tissues between the dietary groups(P>0.05);Concerning antioxidant and immune indicators,the glutathione peroxidase(GSH-Px)activity in the hepatopancreas was significantly higher in the MM group than in the other groups(P<0.05),while the FF group had the highest total superoxide dismutase(T-SOD)activity in the hepatopancreas.Both diet and gender factors significantly influenced acid phosphatase(ACP)activity in the serum(P<0.05);Regarding protein and lipid metabolism,the MM group had the highest trypsin activity in the hepatopancreas and the lowest lipase activity.The FF group had significantly higher triglyceride(TG)content in the hepatopancreas(P<0.05).The FF group had the highest levels of total protein(TP),TG,total cholesterol(TC),low-density lipoprotein cholesterol(LDL-C)and high-density lipoprotein cholesterol(HDL-C)in the serum.In conclusion,male crabs fed fed male-specific diet demonstrated enhanced antioxidant and immune capacity,promoting protein deposition;female crabs fed female-specific diet accelerated ovarian development and increased triglyceride deposition in the hepatopancreas.关键词
中华绒螯蟹/雌雄专用育肥饲料/生长/性腺发育/生理代谢Key words
Eriocheir sinensis/gender-specific fattening feeds/growth/gonadal development/nutritional metabolism分类
水产学引用本文复制引用
刘若晨,朱筛成,张光宝,顾伟,向朝林,邓登,赵金山,吴旭干..雌雄专用育肥饲料对中华绒螯蟹亚成体育肥性能、生理代谢和生化组成的影响[J].上海海洋大学学报,2025,34(3):562-574,13.基金项目
上海市河蟹产业技术体系项目(沪农科产字[2022]第4号) （沪农科产字[2022]第4号）
上海市崇明区农业科创项目(2022CNKC-01-05) （2022CNKC-01-05）
山东省东营市黄河三角洲产业领军人才项目(DYRC202100215) （DYRC202100215）
深圳市澳华集团股份有限公司横向项目(2022310031003781) （2022310031003781）
