草鱼是我国重要的淡水养殖鱼类之一,其养殖过程易受细菌性病原的侵袭而发病,其中嗜水气单胞菌是引发草鱼发病的主要病原之一,它主要引起暴发性出血病,此病的发生对草鱼养殖会造成严重的威胁。因此,分离嗜水气单胞菌,研制高效疫苗,对草鱼实行免疫预防,对于草鱼因嗜水气单胞菌引起的疾病控制具有重要意义。为了有效控制草鱼细菌性疾病的发生,我们在河南省新乡市延津县鱼种场通过食盐和超声波辅助浸浴法进行了草鱼“嗜水气 Grass carp is one of the most important freshwater aquaculture fishes in China. Its breeding process is easily affected by bacterial pathogens. Among them, Aeromonas hydrophila is one of the main pathogens causing grass carp pathogenesis. It mainly causes fulminant hemorrhagic disease, The occurrence of this disease poses a serious threat to grass carp breeding. Therefore, the separation of Aeromonas hydrophila, the development of efficient vaccines, the implementation of immunoprophylaxis grass carp, for grass carp disease control caused by Aeromonas hydrophila is of great significance. In order to effectively control the occurrence of bacterial diseases of grass carp, we carried out grass carp ”Hydrophobic" in the fish farm of Yanjin County, Xinxiang City, Henan Province by salt and ultrasonic assisted bathing