Introduction

Bean dregs, the by-product during producing soy milk or tofu, is a kind of material with big water and oil combining performance. After being processed, it has the following advantages: fresh bean dregs' water content is about 90%, its nutritional ingredient is higher than many inferior dregs; the crude protein content is high, especially in hot summer and high temperature, it is easily rotted and mildewed. Dry bean dregs' crude protein content is three times higher than that of the unhulled rice. It is suitable for nutrition feed for pig, chicken, duck, etc.