正确诊断鱼病 ,是治好鱼病的关键 ,只有诊断无误 ,才能对症下药 ,收到良好的效果。但在常见鱼病中 ,往往有不少鱼病的症状相似 ,而病原体不同 ,必须加以区别。笔者通过多年的实践 ,经潜心探索总结出在没有显微镜、解剖镜情况下 ,准确诊断鱼类疑难病症的方法。现简介如下。１病 Correct diagnosis of fish disease is the key to cure fish disease, only correct diagnosis, to the right remedy, received good results. However, in common fish diseases, there are often many similar symptoms of fish diseases, and different pathogens, must be distinguished. Through years of practice, the author has devoted himself to exploring ways to accurately diagnose difficult fish diseases without a microscope or a dissecting mirror. Now the introduction is as follows. 1 disease