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从四川省三岔湖网箱养殖的自然发病鲤鱼中分离出３株致病菌，用分离菌感染健康小鼠和健康鲤鱼获阳性结果。经培养特性、菌体形态和生理生化特性鉴定，病原菌为嗜水气单胞菌（Ａｅｒｏｍｏｎａｓｈｙｄｒｏｐｈｉｌａ），并进行了药敏和治疗试验
Three pathogenic bacteria were isolated from the naturally occurring common carp cultivated in the Sancha Lake cages of Sichuan Province. Positive bacteria were infected by healthy isolates and healthy carp. According to the characteristics of culture, morphology and physiological and biochemical characteristics, the pathogen was Aeromonas hydrophila and tested for susceptibility and treatment