牛蛙的烂皮病和红腿病是牛蛙养殖中常遇到的疾病，多数是两病齐发。这两种病传染极强，死亡率极高，稍不注意或缺少正确的治疗方法，往往会造成很大的经济损失。两病并发的症状是：病蛙精神不振，低头伏地，常群集在池子的一角不吃不动，不下水。病蛙的头、背、四肢等处皮肤失 Bullfrog rot disease and red-legged bullfrog farming is often encountered in the disease, the majority of both disease Qi. Both diseases are extremely contagious and have high mortality rates, with little or no proper treatment, often resulting in significant financial losses. Symptoms of both diseases are complicated by: sick frogs sluggish, bowed, often clustered in the corner of the pool can not eat, do not go to bed. Sick frog’s head, back, limbs, etc. lost at the skin