秋天在池塘养蟹过程中,不少农户常常发现一些河蟹栖居在远离水面的洞穴里,懒得出来活动觅食,但因其并不死亡,所以不少养殖户不加注意,不去防治。其实,这种“懒蟹”虽然不死。但并不生长,呈现面黄肌瘦 In the process of raising crabs in the pond in autumn, many farmers often find some crabs dwelling in the caves far away from the water. They are too lazy to come out for activity. However, because they do not die, many farmers do not pay attention and do not control. In fact, this “lazy crab ” although not dead. But does not grow, showing pale yellow face