Effect of salinity on the rearing performance of juvenile golden pompano Trachinotus ovatus (Linnaeus 1758)

文献类型： 外文期刊

第一作者： Ma, Zhenhua

作者： Ma, Zhenhua;Guo, Huayang;Zheng, Panlong;Wang, Long;Jiang, Shigui;Zhang, Dianchang;Ma, Zhenhua;Ma, Zhenhua;Qin, Jian G.

作者机构：

关键词： golden pompano Trachinotus ovatus;salinity;pepsin;alpha-amylase;RNA/DNA;FCR

期刊名称：AQUACULTURE RESEARCH （ 影响因子：2.082； 五年影响因子：2.415 ）

ISSN：

年卷期：

页码：

收录情况： SCI

摘要： Effect of rearing salinity on the performance of juvenile golden pompano Trachinotus ovatus (Linnaeus 1758) was studied under a laboratory condition. Fish growth, survival, RNA/DNA ratio, pepsin activity, alpha-amylase activity and FCR were used as evaluation criteria. The growth and RNA/DNA ratio were significantly affected by the rearing salinity. High growth rate and RNA/DNA ratio were observed when fish were reared at the salinity of 34 parts per thousand. The pepsin activity of fish was not significantly affected by the rearing salinity. However, the alpha-amylase activity of fish was significantly affected by the rearing salinity. The alpha-amylase activity of fish reared at the salinity of 10 parts per thousand was significantly lower than fish cultured at the salinity of 34 parts per thousand. Rearing salinity can significantly affect the FCR of juvenile golden pompano. The FCR of fish cultured at the salinity of 10 parts per thousand was 5-times higher than the FCR of fish reared at 34 parts per thousand. Results from the present study indicate that juvenile golden pompano can be reared above 26 parts per thousand without affecting fish performance, and the salinity of 10 parts per thousand may be too low to rear juvenile golden pompano as fish growth, RNA/DNA ratio and alpha-amylase activity were reduced.

分类号： S9

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