... for bacteroidal gill disease, enteritis, erythrodermatitis, hemorrhagic fever which caused by grass carps, herrings, catfishs, rudds,eels and so on ... effect for achromodermia, nigredo which caused by prawn. It has particular effect in curing hepatopathy caused by carps and java tilapia. 2 ... pure. It is not only able to bear hyperthermia, but also not to bring resistance to drugs and without toxicity ...