Effects of Myo-Inositol on the Growth Performance, Digestive Enzyme Activity, and Antioxidation of Juvenile Hucho taimen
文献类型： 外文期刊
作者： Zhang, Meiyan 1 ; Yang, Xing 1 ; Wang, Changan 2 ; Shang, Baodi 1 ; Zhao, Feng 1 ; Xu, Hong 4 ; Xu, Qiyou 4 ;
作者机构： 1.Guizhou Fisheries Res Inst, Guiyang 550025, Peoples R China
2.Chinese Acad Fishery Sci, Heilongjiang River Fisheries Res Inst, Harbin 150070, Peoples R China
3.Nanjing Agr Univ, Sch Fisheries, Wuxi 214081, Peoples R China
4.Huzhou Univ, Sch Life Sci, Huzhou 313000, Peoples R China
5.Huzhou Univ, Zhejiang Prov Key Lab Aquat Resources Conservat &, 759 Erhuan Rd E, Huzhou 313000, Peoples R China
关键词： myo-inositol; growth performance; digestive enzyme; antioxidant; Hucho taimen
期刊名称：FISHES （ 影响因子：2.3； 五年影响因子：2.4 ）
ISSN：
年卷期： 2023 年 8 卷 12 期
页码：
收录情况： SCI
摘要： Hucho taimen is a cold-water fish with high economic value. Myo-inositol (MI) can accelerate lipid metabolism and promote growth in fish species. The present study aimed to assess the effect of MI on the growth performance, digestive enzyme activity, and antioxidation of juvenile H. taimen. Accordingly, an 8-week feeding trial was conducted. The results demonstrated that increasing MI concentration promoted growth performance in H. taimen. Among the MI concentrations tested, a dose of 328 mg MI/kg corresponded with the lowest feed conversion ratio (FCR) and the highest growth rate. Compared with fish fed a diet of 128 mg MI/kg, the lipase activity in the pyloric caeca significantly increased in fish fed 528 mg MI/kg, while superoxide dismutase (SOD) activity was significantly higher in fish fed 728 mg MI/kg. Consistently, the 128 mg MI/kg diet presented the highest malonaldehyde (MDA) levels. In conclusion, our study revealed that enhanced growth performance, digestive enzyme activity, and antioxidant capacity increased as MI concentration increased. The optimum level of dietary MI in H. taimen was 270-321 mg/kg, based on the FCR and specific growth rate (SGR) on the broken-line regression.
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