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以平均体重 11 3g的 385尾黄颡鱼为实验动物随机分为 7组 ,用 3种不同鱼粉和豆饼比例的饲料 ,进行6 4d饲养试验 ,结果表明 :饲料中蛋白质含量 38 4 6 %具有显著的增重效果 (P <0 0 1) ,蛋白质利用率 12 6 6 % ,鱼粉和豆饼的比例为 1∶0 5。
The 385 yellow catfish with an average body weight of 11.3g were divided into 7 groups at random. The feed was fed for 3 days with different proportions of fishmeal and bean cake for 64 days. The results showed that the protein content in feed was 38 4 6% (P <0.01), the protein utilization rate was 126.6%, the ratio of fishmeal and soybean cake was 1:05.