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淡水养殖鱼类细菌性败血症病是我国养鱼史上危害鱼的种类最多，年龄范围最大、流行地区最广、流行季节最长、传播速度极快、造成损失最大的一种急性传染病。现将该病的症状、成因和防治方法总结如下。１细菌性败血症的病原、症状与危害对象该病原为嗜水气单胞菌、鲁克氏耶尔森
Freshwater aquaculture fish bacterial septicemia is a kind of acute infectious disease with the largest number of fish in the history of fish farming, the largest age range, the most popular areas, the longest epidemic season, the fastest propagation speed, causing the greatest loss. Now the disease symptoms, causes and prevention methods are summarized below. 1 Bacterial sepsis pathogens, symptoms and endanger the pathogen Aeromonas hydrophila, Luke Yersin