Effects of dietary myo-inositol on growth, antioxidative capacity, and nonspecific immunity in skin mucus of taimen Hucho taimen fry
文献类型： 外文期刊
作者： Wang, Chang'an 1 ; Lu, Shaoxia 1 ; Li, Jinnan 1 ; Wang, Liansheng 1 ; Jiang, Haibo 2 ; Liu, Yang 1 ; Liu, Hongbai 1 ; Han 1 ;
作者机构： 1.Chinese Acad Fishery Sci, Heilongjiang River Fisheries Res Inst, 43 Songfa St, Harbin 150070, Peoples R China
2.Guizhou Univ, Coll Anim Sci, Guiyang 550025, Peoples R China
关键词： Hucho taimen; Myo-inositol; Immunity; Skin mucus; Antioxidative capacity; Growth
期刊名称：FISH PHYSIOLOGY AND BIOCHEMISTRY （ 影响因子：2.794； 五年影响因子：2.876 ）
ISSN： 0920-1742
年卷期：
页码：
收录情况： SCI
摘要： In this study, the effects of dietary myo-inositol on the skin mucosal immunity and growth of taimen (Hucho taimen) fry were determined. Triplicate groups of 500 fish (initial weight 5.58 +/- 0.15 g) were fed different diets containing graded levels of myo-inositol (28.75, 127.83, 343.83, 565.81, and 738.15 mg kg(-1)) until satiation for 56 days. Thereafter, the nonspecific skin mucus immune parameters, antioxidative capacity, and growth performance were measured. The skin mucus protein and the activities of alkaline phosphatase were significantly higher than those in the control group (P < 0.05). However, there were no significant differences in lysozyme activity among the treatments (P > 0.05). The antimicrobial activity and minimum inhibitory concentration of the skin mucus were increased significantly by myo-inositol supplementation (P < 0.05). The superoxide dismutase, catalase, and glutathione peroxidase activities were significantly elevated in the treatment groups (P < 0.05), whereas the malondialdehyde contents were significantly decreased (P < 0.05). Low-level myo-inositol (28.75 mg kg(-1)) led to a significantly lower weight gain, feed efficiency, condition factor, and survival rate compared with the other treatments (P < 0.05). In conclusion, dietary myo-inositol deficiency (28.75 mg kg(-1)) adversely affects the skin mucus immune parameters, antioxidative capacity, and growth performance of Hucho taimen fry.
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