鱼病是制约养鱼业快速发展的重要一环,正确诊断鱼病是治好鱼病的关键所在,是养鱼业少受损失取得较高经济效益的重大举措。只有诊断无误,才能及时控制鱼病的扩展,收到良好的效果。但在常见鱼病中,往往有不少症状相似,可病原体不相同,所以必须严格加以区别。很多小型养鱼场和广大养鱼户没有显微镜和解剖镜,怎么办呢? Fish disease is an important part of restricting the rapid development of fish farming. Correct diagnosis of fish diseases is the key to cure fish diseases and is a major measure to obtain high economic benefits with less losses of fish farming. Only diagnosis is correct, in order to control the expansion of fish disease in time, received good results. However, in common fish diseases, there are often many symptoms similar to the pathogens are not the same, it must be strictly different. Many small fish farms and fish farmers do not have a microscope and a dissecting microscope, what to do?