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在淡水养鱼生产中,有多种不同的病因引发的鱼病症状相近,易造成误诊,影响治疗,往往造成严重损失。通过多年的生产实践,对于由不同病因引发的相近症状的几种类型的病害的诊断与治疗方法作如下归纳: 1 烂鳃型 1.1 烂鳃病:属细菌性鱼病 症状特点:除鳃内粘液增多,鳃丝膨大、弯曲、腐烂外,病鱼鳃盖骨的内表皮往往充血,严重时中间部分的表皮常腐蚀成一个圆形不规则的透明小窗,俗名“开天窗”。
In freshwater fish farming, there are many different causes of fish diseases caused by similar symptoms, can easily lead to misdiagnosis, affecting treatment, often resulting in serious losses. Through years of production practice, the diagnosis and treatment of several types of diseases caused by similar causes are summarized as follows: 1 rotten gill 1.1 rotten gill disease: a bacterial fish disease Symptoms characteristics: in addition to gill mucus Increased, gill filaments enlargement, bending, decay, the inner surface of the fish operculum tendon congestion, often serious in the middle part of the epidermis often eroded into a circular irregular small window, the common name “open skylight.”