草、青鱼的细菌性烂鳃和肠炎病是我省养殖鱼类疾病中最严重的两大病害。两者往往并发,而肠炎病的病原体除了细菌之外还有病毒。不仅流行广,而且死亡率也很高,特别对一令草鱼和二令青鱼危害更大,通常死亡率在50—70%,严重的高达90%以 Grass, herring bacterial gill and enteritis disease is the province’s most serious farming fish disease two major diseases. Both often concurrency, and enteritis disease pathogens in addition to bacteria, there are viruses. It is not only popular but also has a high mortality rate. It is particularly harmful to grass carp and double herring, with a typical mortality rate of 50-70% and a serious problem of up to 90%