鱼病的科学预防措施主要由以下几点:1使用无病原污染的水源和进排水系统水源及进排水系统是养殖鱼类疾病病原传入和扩散的第一途径。优良的水源条件应充足、清洁、不带病原生物以及无人为污染有毒物质,水源的水质符合渔业水质标准。进排水系统应使每个养殖池有独立的进水和排水管道,以避免水流把病原体带入。 Scientific preventive measures for fish diseases are mainly as follows: 1 Use of water sources and drainage systems without pathogenic contamination Water sources and drainage systems are the first way to introduce and spread pathogenic pathogens in farmed fish. Excellent water conditions should be adequate, clean, free of pathogens and no human pollution of toxic substances, water quality in line with the fishery water quality standards. Water intake and drainage systems should have separate inlets and drains for each pond to prevent water from entrapping pathogens.