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1992年6月,商城县大石桥水库鲢、鳙爆发了烂鳃、出血、锚头鳋病,死鱼近4000kg。对此,我们组织人员进行了会诊、治疗。1病征1.1方法用网捕起即将死亡的游动异常的链、墉分别为’30尾、20尾,进行目检和镜检杯其检查顺序为体表、鳃部、内脏。1.2症状体表有局部充血、点状红斑和锚头级寄生,鳃丝暗紫色,末端发白腐烂,鳃瓣不能张闭,并分泌有大量粘液;肝脏变紫,体积增大,松瘪无弹性。其它内脏无异常。了有利机会。1992年,信阳地区旱情严重,库水位由125.sm降至118.sm,水面由69.33公顷减少至33.33公顷。(a)持续高温使水质污染和疾病传播加速。我们认为导致大量死鱼的鱼病主要是烂鳃病,其
June 1992, Shangshi County Dashiqiao reservoir silver carp, bream outbreak of gills, bleeding, the first moat disease, dead fish nearly 4000kg. In this regard, we organized the staff consultation, treatment. 1 Symptoms 1.1 Methods The network is about to catch the imminent death of the swimming abnormal chain, respectively, 30 30 tail, 20 tail, visual inspection and mirror cup inspection order of the body surface, gills, viscera. 1.2 symptoms local congestion, punctate erythema and anchor head-level parasites, gill silk dark purple, the end of white rotten, gill flap can not be closed and the secretion of a large number of mucus; liver purple, the volume increases, loose and inelastic . No other internal organs abnormalities. A good opportunity. In 1992, the drought in Xinyang was severe. The water level of the reservoir dropped from 125 to 118.sm and the water surface decreased from 69.33 to 33.33 hectares. (a) Continued heat up accelerates water pollution and disease transmission. We think the fish disease that causes a lot of dead fish is mainly rotten gill disease