鳗鱼疾病的发生、蔓延,在一定程度上阻碍了养鳗生产的发展。本文介绍鳗鱼的几种主要疾病的症状、流行危害及防治方法。1.水霉病该病是由于腐生性的水霉菌寄生在鳗鱼体表或鳃上而引起的疾病。亦有人认为是先感染赤鳍病,继发感染水霉病。症状:病鳗的体表,尤其是吻端、头部,有时在体侧、尾部等处寄生菌丝体,如覆盖一层灰白色棉絮状物。有的鳃部也寄生 The occurrence and spread of eel disease hindered the growth of eel production to a certain extent. This article describes the symptoms of several major diseases of the eel, epidemic hazards and prevention methods. 1. Water mildew The disease is due to saprophytic fungus parasites in the eel body surface or gills caused by the disease. Some people think that is the first infection of red albino, secondary infection of watery mildew. Symptoms: The surface of diseased eel, especially the nostril, the head, and sometimes parasitic mycelium at the body side, tail, etc., such as covered with a layer of white cotton wool. Some gills also parasitized