淡水鱼细菌性败血症，简称细菌性败血症，又称出血性腹水病、出血病、暴发性出血症等。 病原病因 该病是由嗜水气单胞菌、温和气单胞菌、鲁克氏耶尔林氏菌等细菌感染引起的多种淡水养殖鱼类败血症。主要致病原因是防病工作未能及时跟上；生态环境恶化，导致鱼体抵抗能力下降； Freshwater fish bacterial sepsis, referred to as bacterial sepsis, also known as hemorrhagic ascites, hemorrhagic disease, fulminant hemorrhagic disease. The cause of the disease is the disease caused by Aeromonas hydrophila, Aeromonas sobria, Yersinia pestis and other bacterial infections caused by a variety of freshwater aquaculture fish sepsis. The main cause of the disease is the prevention of disease has not been able to catch up in time; deterioration of the ecological environment, leading to the decline of fish resistance;