草鱼是当前渔民们喜爱饲养的一个鱼类品种,在全国淡水养殖的四大家鱼中约占40%的产量。然而在饲养过程中草鱼的烂鳃病、肠炎病、赤皮病却大量发生。如果防治不当,就会给养殖户带来不可估量的经济损失。近期笔者先后深入到养殖户中,对草鱼三病的防治进行了细致的调查研究,发现草 Grass carp is a fish species currently favored by fishermen and accounts for about 40% of the four major freshwater fish species in the country. However, in the breeding process of grass carp gill disease, enteritis, red-skin disease has occurred in large quantities. If not properly controlled, it will bring immeasurable economic losses to farmers. Recently I have in-depth farmers, prevention and treatment of three diseases of grass carp conducted a detailed investigation and study, found that grass