论文部分内容阅读
邵阳地区的渔业生产受草鱼出血病的危害很大,每年因草鱼出血病死亡的鱼种达30—50%,严重地挫伤了群众养鱼的积极性,影响了渔业生产的发展,为了解决这个问题,农业部门认真总结了一九七九年草鱼出血病灭活疫苗免疫注射试点的经
Fishery production in Shaoyang is greatly endangered by grass carp hemorrhagic disease. Each year, 30-50% of fish species dead due to grass carp bleeding have seriously dampened the enthusiasm of the masses for fish farming and affected the development of fishery production. In order to solve this problem , The agricultural sector seriously summed up the 1979 pilot vaccination of grass carp hemorrhagic disease vaccination pilot