乌鳢因具有生长速度快、养殖周期短、单产高等优点, 而深受广大养殖户的青睐, 其人工养殖迅猛发展。然而, 乌鳢养殖常会发生病害而影响养殖效益, 笔者从事鱼病防治工作几年, 总结了一些乌鳢养殖常见疾病的诊断及防治技术, 现作一概述,供同行参考。1　出血病1 1　流行情况　 Because of its rapid growth rate, short breeding cycle and high yields, Wuyi is favored by the majority of farmers and the rapid development of artificial breeding. However, the disease often affect the breeding of aquaculture, the author engaged in the prevention and treatment of fish diseases for several years, summed up some of the common diseases of aquaculture diagnosis and prevention and treatment technology, is now an overview for your reference. 1 bleeding 1 1 prevalence