正确诊断,是治好鱼病的关键之一,只有诊断无误,才能对证下药,收到良好的效果。但在常见鱼病中,往往有不少症状相似,而病原体不同,必须加以区别。在没有显微镜、解剖镜情况下,怎样区别确诊这些疑难症状鱼病呢?1 病毒性肠炎与细菌性肠炎及鲩内变形虫病 病鱼肠管均呈红色,蛤病毒引 Correct diagnosis is one of the keys to cure fish diseases. Only when the diagnosis is correct can the medicine be given to the card and receive good results. However, in common fish diseases, there are often many similar symptoms, and different pathogens, must be distinguished. In the absence of a microscope, the case of dissecting mirror, how to distinguish the diagnosis of these difficult symptoms of fish disease it? 1 viral enteritis and bacterial enteritis and amebiasis disease fish bowel are red,