By dissecting moribund fishes and isolationg the pathogens, we found that the “infection syndrome” was a complex polyinfection caused by Myxosporea and secondary bacterial infection.

对多个养殖场的患病鱼体进行解剖观察及病原，病症多是由粘孢子虫寄生并继细菌性感染而引起的疾病。