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Effect of Dietary Vitamin C on Growth Performance, Antioxidant Status and Innate Immunity of Juvenile Pufferfish (Takifugu obscurus)

文献类型： 外文期刊

作者： Cheng, Chang-Hong 1 ; Liang, Hai-Yan 2 ; Guo, Zhi-Xun 1 ; Wang, An-Li 2 ; Ye, Chao-Xia 2 ;

作者机构： 1.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Minist Agr, Key Lab South China Sea Fishery Resources Exploit, Guangzhou 510300, Guangdong, Peoples R China

2.South China Normal Univ, Sch Life Sci, Guangdong Prov Key Lab Hlth & Safe Aquaculture, Key Lab Ecol & Environm Sci,Guangdong Higher Educ, Guangzhou 510631, Guangdong, Peoples R China

关键词： Takifugu obscurus; vitamin C; growth performance; antioxidant status; immune response

期刊名称：ISRAELI JOURNAL OF AQUACULTURE-BAMIDGEH （ 影响因子：0.287； 五年影响因子：0.593 ）

ISSN： 0792-156X

年卷期： 2017 年 69 卷

页码：

收录情况： SCI

摘要： Six practical diets were formulated to contain 2.6 (the basal diet), 48.9, 95.5, 189.83, 382.4, 779.53 mg/kg vitamin C diet. After 8 weeks of feeding, growth performance, antioxidant status, and innate immunity of juvenile pufferfish were analyzed. Results showed that specific growth rate and protein efficiency ratio in fish fed diets supplemented with vitamin C were significantly higher than in fish fed the control diet. Dietary vitamin C significantly up-regulated the expression levels of growth hormone receptors and Insulin-like growth factor. Blood cell numbers and respiratory burst activity were enhanced in fish fed vitamin C diet. Serum alkaline phosphatase, glutamic-pyruvic transaminase, and glutamic-oxaloacetic transaminase activity were significantly influenced by the dietary vitamin C levels. Fish fed diets supplemented with vitamin C showed increased hepatic superoxide dismutase, glutathione peroxidase, and catalase activity, but decreased malondialdehyde activity. In addition, we found that dietary vitamin C can significantly up-regulate the expression levels of immune-related genes (HSP70, HSP90, BAFF, TNF-alpha and IL-6) in liver. These results indicate that dietary vitamin C can significantly influence growth performance, antioxidant status, and innate immunity of pufferfish.

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