6.赤皮病 症状:病鱼鱼体出血发炎,鳞片脱落,特别是鱼体两侧及腹部最明显。部分或全部鳍基部充血,鳍的末端腐烂,常烂去一段,鳍条间的组织也被破坏。鱼的上下颌及鳃盖部分充血,呈现块状红斑,鳃盖中部表皮有时烂一块。以致变成透明。有时鱼的肠道也发炎充血。 流行情况:此病在草鱼、青鱼、鲤等鱼中很普遍。我 6. Red-skin disease symptoms: sick fish, bleeding fish inflammation, scales off, especially on both sides of the fish and the abdomen the most obvious. Some or all of the basal fins are congested, the ends of the fins decay, and often go rotten for a while, and the tissue between the fins is also destroyed. Fish jaw and gill cover part of the congestion, showing massive erythema, epidermis and sometimes a rotten piece. Become transparent. Sometimes the fish’s intestine is also inflamed. Epidemic situation: The disease is common in grass carp, herring, carp and other fish. I