无公害水生动物增养殖过程中对病、虫、敌害生物的防治 ,应使用高效、低毒、低残留药物 ;禁止使用高毒、高残留、三致 (致畸、致癌、致突变 )药物。下面从几种常见鱼病中略谈一下调整改进用药的一些措施。1　外用消毒剂防治鱼病多年来 ,在我国的渔业生产中 ,漂白粉、二氯异氰脲 Non-polluting aquatic animals should be highly efficient, low-toxic and low-residue drugs for the prevention and control of diseases, pests and predators during their breeding process; the use of highly toxic, high-residue and synergistic (teratogenic, carcinogenic and mutagenic) drugs . Here are a few common fish diseases to talk about some measures to improve the medication. 1 external disinfectant control fish disease Over the years, in our fishery production, bleaching powder, isocyanuric acid