在养鱼过程中,由于缺乏诊断技术与设备,常给正确诊断鱼病带来一定困难。怎样在缺技术、缺设备的情况下及时地诊断鱼病,对症下药呢?笔者根据多年的养鱼实践认为主要从以下8个方面诊断。 In the process of fish farming, due to the lack of diagnostic techniques and equipment, it often brings some difficulties in correctly diagnosing fish diseases. How in the absence of technology, lack of equipment in case of timely diagnosis of fish disease, the right medicine? The author based on many years of practice of fish that mainly from the following eight aspects of diagnosis.