Effect of High Dietary Carbohydrate on the Growth Performance, Blood Chemistry, Hepatic Enzyme Activities and Growth Hormone Gene Expression of Wuchang Bream (Megalobrama amblycephala) at Two Temperatures
文献类型: 外文期刊
作者: Zhou, Chuanpeng 1 ; Ge, Xianping 1 ; Liu, Bo 1 ; Xie, Jun 1 ; Chen, Ruli 1 ; Ren, Mingchun 1 ;
作者机构: 1.Chinese Acad Fishery Sci, Freshwater Fisheries Res Ctr, Minist Agr, Key Lab Freshwater Fisheries & Germplasm Resource, Wuxi 214081, Jiangsu, Peoples R China
2.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Guangzhou, Gua
关键词: Megalobrama amblycephala;Dietary Carbohydrate;Temperature;Growth;Serum Parameters;Hepatic Enzymes Activities
期刊名称:ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES ( 影响因子:2.509; 五年影响因子:2.604 )
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收录情况: SCI
摘要: The effects of high carbohydrate diet on growth, serum physiological response, and hepatic heat shock protein 70 expression in Wuchang bream were determined at 25 degrees C and 30 degrees C. At each temperature, the fish fed the control diet (31% CHO) had significantly higher weight gain, specific growth rate, protein efficiency ratio and hepatic glucose-6-phosphatase activities, lower feed conversion ratio and hepatosomatic index (HSI), whole crude lipid, serum glucose, hepatic glucokinase (GK) activity than those fed the high-carbohydrate diet (47% CHO) (p<0.05). The fish reared at 25 degrees C had significantly higher whole body crude protein and ash, serum cholesterol and triglyceride, hepatic G-6-Pase activity, lower glycogen content and relative levels of hepatic growth hormone (GB) gene expression than those reared at 30 degrees C (p<0.05). Significant interaction between temperature and diet was found for HSI, condition factor, hepatic GK activity and the relative levels of hepatic GH gene expression (p<0.05).
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