采用凯式定氮法，膨化血粉的粗蛋白含量为90%左右；

The research measured nitrogen of expanding blood meals by KDN fashion, it is about 90%;

youdao

经过试验得到，本试验所生产的膨化血粉的消化率为97.76%，而普通血粉的消化率为94.2%。

It gained expanding blood meals digestibility 97.76% and common blood meals digestibility 94.2% through experiments.

youdao

经过试验得到，本试验所生产的膨化血粉的消化率为97.76%，而普通血粉的消化率为94.2%。

It gained expanding blood meals digestibility 97.76% and common blood meals digestibility 94.2% through experiments.

youdao