斑点叉尾鮰(Ictalusus punctatus)是美国主要的淡水养殖鱼类。自80年代初引进我国以来,经过多年生产实践表明,它是一个生长快、肉质好、个体大和产量高的优质养殖品种,目前已成为广东淡水名优养殖鱼类之一,深受广大养殖专业户的喜爱和消费者的欢迎。我省珠江三角洲池塘生产区在斑点叉尾鮰养殖过程中,近年已开始发现有鱼病发生,特别是某些传染性疾病为害较大,给生产者带来了不同程度的经济损失。现将美国斑点叉尾鮰几种主要的传染病症症、病原体及防治方法介绍如下,供广大水产养殖工 Ictalus punctatus is the major freshwater cultured fish in the United States. Since its introduction into our country in the early 1980s, after years of production practice, it shows that it is a high-quality breeding species with fast growth, good flesh quality, large individuality and high yield. It has become one of the famous freshwater cultured fishes in Guangdong Province and is well received by the majority of aquaculture households Favorite and consumer welcome. In the process of the breeding of Channel Catfish in the pond production area of ​​the Pearl River Delta in our province, fish diseases have begun to be discovered in recent years. In particular, some infectious diseases are more harmful and bring different degrees of economic losses to the producers. Now the United States Channel Catfish 鮰 several major infectious diseases, pathogens and prevention methods described below, for the majority of aquaculture workers