在鱼病长期诊断防治工作中,笔者发现不少基层水产养殖户(特别是一些兼业者)对鱼病防治认识模糊,缺少技术,使鱼病防治陷入误区,突出表现为以下问题。问题之一:思想麻痹,防患意识弱。有的养殖者思想上对鱼病防治工作不重视,平时不注意防微杜渐。少数养殖户甚至抱着“死点鱼虾蟹无 In the long-term diagnosis and treatment of fish diseases, I found that many grassroots aquaculture households (especially some of the industry) have a vague understanding of the prevention and treatment of fish diseases, lack of technology, so that the prevention and treatment of fish diseases into misunderstanding, highlighted the following problems. One of the problems: paralysis of thought, prevention awareness is weak. Some farmers do not pay much attention to prevention and treatment of fish diseases in their thinking. A small number of farmers even holding "dead fish and shrimp without crab