1. At each of the diets 4 groups of the Southern Sheatfish (10 fish in each group) were fed at ad libitum ration level for 6 weeks at 27.5℃.
   实验每饲料水平设4个重复，采用室内循环水养殖系统，在27.5℃下以饱足日粮水平喂养6周。

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