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本研究的结果认为,草鱼饲料的蛋白质需要水平可以分为三个阶段,即食性转变前、食性改变过渡期和食性改变后,其含量分别为45-40%、35-30%和28-25%。
The results of this study suggest that the level of protein requirement of grass carp feed can be divided into three stages, that is 45-40%, 35-30% and 28-25, respectively, before the food conversion, food transition and diet changes %.