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埃及胡子鲶(又称革胡子鲶),原产非洲尼罗河流域,1981年引入广东省,1983年移入我所繁殖,获得了大批苗种供应全省,深受广大养殖者和消费者的喜爱,经济效益显著。鱼病是革胡子鲶养殖的一大障碍,从鱼苗、鱼种培育到池塘成鱼养殖及亲色越冬时有发生,常造成大量死鱼而导致经济上的损失。主要有如下几种鱼病: 一、气泡病病鱼症状:主要发生在鱼苗阶段和亲鱼越冬阶段。有两种类型:一是鱼苗肠道出现气泡,便鲶鱼身体浮力增加,不能下沉而死亡。二是鱼苗和亲鱼的体表、背鳍及鳃丝上附着很多大小和
The Egyptian mustard catfish, also known as the Grifola frondosa, originated in the Nile Valley in Africa. It was introduced into Guangdong Province in 1981 and moved to China in 1983. It gained a large supply of seedlings throughout the province and was favored by farmers and consumers. Significant economic benefits. Fish disease is a major obstacle to catfish culture, mustard, fish breeding to the pond into fish farming and color overwintering often occur, often resulting in a large number of dead fish and cause economic losses. There are several fish diseases are as follows: First, the bubble disease sick fish symptoms: mainly in the fry stage and broodstock overwintering stage. There are two types: one is the fry intestinal bubbles appear, then the buoyancy of the catfish increased, can not sink and died. Second, fry and broodstock body surface, dorsal fin and gill wire attached to many sizes and