随着饲料蛋白质含量增加，实验鱼的平均终重、增重率和日增重率呈线性增加，饲料系数呈线性下降，蛋白质效率也呈下降趋势。

There were almost linear increases in final body weight and daily body weight increment with the increase in dietary protein contents, while there was decrease in protein efficiency ratio.

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结果表明：微量元素赖氨酸螯合物是优良的营养性饲料添加剂，可提高日增重6.4%，改善饲料效率7.0%。

The result showed that: trace-lysine-chelates are excellent nutritive feed additives, trace-lysine-chelate significantly increased average daily gain by 6.4% and improved feed efficiency by 7.0%.

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本试验研究了半胱胺(CS)对绵羊增重、饲料转化效率的影响。

The experiment was conducted to examine the effects of cysteamine (CS) on body weight gain and feed conversion rate in sheep.

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