鱼类出血病发病率高 ,白鲢、鲫鱼、鲤鱼、鳙鱼易染。发病轻者停食、停长 ,零星死亡 ,重者大批死亡 ,是养鱼生产中的一大危害疾病。若今年能做好预防工作 ,可防止明年出血病再发。鱼类出血病的综合预防措施有 :1　清除淤泥养鱼池塘 ,经过多年的人工投饲和施肥 ,水底存积物多 ,腐 High incidence of fish bleeding disease, silver carp, carp, carp, catfish easy to dye. The incidence of light stop eating, stop long, sporadic deaths, severe heavy deaths, is a major hazard in the production of fish diseases. If we can do a good job this year to prevent recurrence of bleeding next year. Integrated preventive measures for fish hemorrhagic disease are: 1 clear the mud fish ponds, after years of artificial feeding and fertilization, bottom sediment and more, rot