China's sheep-raising fever will present an unprecedented new situation. Because chicken, duck, meat dog, pig and Other poultry livestock feed are mainly food and meat, the cost is high, and the benefit is not obvious. Sheep are herbivores and livestock, which facilitate grazing and captivit

The moisture in the fermentation bed During the operation of the fermentation bed, moisture is the most important factor influencing the normal operation of the fermentation bed. The endless excretion of excrement and moisture from the animal leaves the animal silently. How does it form a balance