草鱼细菌性的赤皮病、烂鳃病、肠炎病与病毒性的出血病,俗称草鱼“四病”,严重威胁着草鱼鱼种及成鱼生产,挫伤群众的养鱼积极性。为此,我们调查了草鱼病的关口,针对性地选择了中科院水生所出血病灭活疫苗注射免疫技术,自一九七八年开始生产性试验,经多点试验成功之后,积极应用推广,逐步建立相应的疫苗生产供应体系,改进制定了适于大批量生产的疫苗生产操作规范,试验获得免疫注射时的速效麻醉剂,引进 Grass carp bacterial red skin disease, rotten gill disease, enteritis and viral hemorrhagic disease, commonly known as grass carp “four diseases”, a serious threat to grass carp species and adult fish production, dampen the enthusiasm of the masses of fish. To this end, we investigated the pass of grass-carp disease and selected the immunization technology of inactivated vaccine of aquatic organisms of Chinese Academy of Sciences in a targeted manner. Since 1978, we started the productive test. After successful trials, we actively promoted the use of the vaccine. Gradually establish the corresponding vaccine production and supply system, improve the production of vaccines for the production of a large batch of production practices, testing to obtain immediate injection of anesthetics, the introduction of