随着鱼类养殖现代化科学技术的发展,网箱养鱼作为一种集约化生产方式得以广泛推广应用,而罗非鱼以其生长快、病害少,已经成为网箱养殖的重要品种之一。我区网箱养殖罗非鱼几年来,按常规方法操作,一直未发生过鱼病,但在1999年的养殖生产中,桃城区水产良种养殖示范场的网箱罗非鱼却发生了细菌性腹水病,现将情况简述如下: With the development of modern science and technology of fish breeding, fish cage culture as an intensive production method can be widely promoted and applied. However, tilapia has become one of the important species of cage culture due to its rapid growth and less disease. In the past few years, our cage culture of tilapia has operated according to the conventional methods and no fish disease has been reported. However, in the breeding production in 1999, the tilapia in the caged aquaculture breeding demonstration area in Taocheng District had bacterial Ascites disease, now the situation is as follows: