菌壳是栽培食用菌之后的废弃物料（我国南方各省的数量可观），因已被菌丝分解，其所含的粗纤维、木质素大大降低，而粗蛋启、粗脂肪明显提高，所以，菌壳含有较高 The bacterial shell is the waste material after the cultivation of edible fungi (the quantity of each province in the south of our country is considerable). Because of being decomposed by mycelium, the crude fiber and lignin contained in it are greatly reduced, while the crude fat and crude fat are obviously increased. Therefore, Bacterial shell contains higher