1. 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分离鉴定，发现此病症多是由粘孢子虫寄生并继发细菌性感染而引起的疾病。

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