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题名: Effect of dietary carbohydrate levels on growth performance in Silurus meridionalis Chen
作者: Fu Shi-Jian (shijianfu9@hotmail.com) ; Xie Xiao-Jun (xjxie@swnu.edu.cn)
通讯作者: Fu Shi-Jian ; Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
刊名: Acta Hydrobiologica Sinica
发表日期: 2005
卷: 29, 期:4, 页:393-398
收录类别: 其他
英文摘要: From June to August, the growth experiment was conducted in a recirculating rearing system on juvenile of the southern catfish, Silurus meridionalis Chen with initial weight 12.93 +/- 0.13g. The white fishmeal, corn oil and gelatinized cornstarch were used as protein, lipid and carbohydrate respectively. Fish were fed with six iso-nitrogenous (40%crude protein) and iso-lipidic (10% crude lipid) experimental diets contain 0(control diet) 6, 12, 18,24 and 30% of carbohydrate level. At each of the diets, 4 groups of southern catfish ( 12 in each group) were fed at ad libitum ration level for 8 weeks at 27.5 degrees C. The digestibility of carbohydrate was not significantly affected when dietary carbohydrate level did not exceed 18% but decreased when dietary carbohydrate level exceeded 18%. The feeding rate and specific growth rate (SGR) increased with dietary carbohydrate level at a level of dietary carbohydrate not more than 18%, and decreased at a higher level. The feeding rate of 6% and 12% carbohydrate level were significantly higher than those of other levels, and the feeding rate of 30% carbohydrate level was significantly lower than those of other levels. The specific growth rate (SGR) of 6% and 12% carbohydrate level were significantly higher than those of 0, 24 and 30% carbohydrate levels, and specific growth rate ( SGR) of 30 % carbohydrate level was significantly lower than those of 6, 12, 18 and 24 % carbohydrate level. The results suggested the optimal dietary carbohydrate level for growth in this fish was 12%-18%.
ISSN号: 1000-3207
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/18507
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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Recommended Citation:
Fu Shi-Jian (shijianfu9@hotmail.com) ; Xie Xiao-Jun (xjxie@swnu.edu.cn).Effect of dietary carbohydrate levels on growth performance in Silurus meridionalis Chen,Acta Hydrobiologica Sinica,2005,29(4):393-398
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