鱼类暴发性流行病为近几年出现的一种危害最严重的疾病,是一种能够造成巨大损失的急性传染病,必须进行科学防治。 一、发病情况 该病具有以下特点:一是感染谱广,几乎遍及所有家鱼;二是流行范围广,遍及全市;三是死亡率高,一般都可达50％以上,甚至100％。 二、防治措施 (一)预防: 1.鱼种入池前,每亩水深 The outbreak of fish epidemics, one of the most devastating diseases in recent years, is an acute infectious disease that can cause enormous losses and requires scientific control. First, the incidence of the disease has the following characteristics: First, the spectrum of infection wide, almost all the fish home; second, a wide range of epidemic, throughout the city; Third, high mortality, usually up to 50% or even 100%. Second, control measures (A) Prevention: 1. Fish into the pool, the depth of water per mu