欧洲鳗两极虫病的流行与防治

The Epidemic and Control of Myxidium sp. in Anguilla anguilla

欧洲鳗鲡两极虫主要寄生在欧鳗的肾脏、鳃和皮肤 ,造成寄生部位的组织溃疡、发炎 ,影响鳗鱼摄食 ,容易诱发严重的细菌性疾病 ,导致严重的经济损失。欧洲鳗两极虫的感染为春夏高峰型 ,感染率和感染强度有明显的季节变化 ,感染高峰期在 2～ 6月份 。

Myxidium sp .were mostly parasitized in kidney,gill and integument of Anguilla anguilla .It bought about ulcer and inflamation in the regional tissue,so it could influent the prey of eel.With Myxidium sp .contagion,it was easy to deduced bacterial diseases in spring and summer.The rate and strength of the incidence were conspicuously changed with season.The epidemic peak was from February to June,The first year eels of Anguilla anguilla were mostly infected.