为有效预防草鱼“四病”，即烂鳃、赤皮、肠炎、出血病，尤其是防止草鱼出血病的发生和蔓延，提高冬片及成鱼成活率，确保免疫效果，在实施草鱼免疫注射过程中，必须注意以下 10个问题。 1注意疫苗保管 注射用的草鱼多联疫苗，应保存在 2～ 8℃的冰箱中，尽量使其不冻结，否则 In order to effectively prevent the “four diseases” of grass carp, namely rotten gills, red skin, enteritis and hemorrhagic diseases, especially preventing the occurrence and spread of grass carp hemorrhagic disease, increasing the survival rate of winter and adult fish and ensuring the immunization effect, The process, we must pay attention to the following 10 questions. 1 Note Vaccine custody Grass carp polyvalent vaccine should be stored in the refrigerator 2 ~ 8 ℃, try not to freeze it, otherwise