大豆蛋白质营养价值高，资源丰富，原料成本低。
The soy protein nourishment value is high, the resources are abundant, and material cost is low.
大豆蛋白质营养价值高，氨基酸组成比例适宜，必需氨基酸平衡良好。
The soybean protein has many good characters, such as high nutritional value, suitable amino acid constitution and good equilibrium of the essential amino acid.
通过IBD这一指数，可以对各种单一饲料的蛋白质营养价值加以分类列等；
The nutritional value of individual feed can be ranked and clustered according to its IBD;
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