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淡水养殖鱼类暴发性疾病,自上世纪80年代初发现以来,迅速蔓延至全国各地。并逐步呈现出病种多样化,面积广泛化,治疗艰难化,损失惨重化的特点,是我国养鱼史上危害鱼类种类最多,涉及鱼类受害年龄范围最大,流行季节最长,造成损失最大的一种急性综合型鱼病。它是由嗜水气单胞菌、温和气单胞菌、鲁克氏耶尔森氏菌等细菌感染而引起的一种急性传染病,该病在河南主要流行于11月下旬到第2年3月上旬。水产养殖户要对暴发性流行病有全面
Freshwater fish disease has rapidly spread to all parts of the country since its discovery in the early 1980s. And gradually showed the characteristics of diversified species, extensive area, difficult treatment and heavy losses. It is characterized by the largest number of endangering fish species, the highest age range of fish victims, the longest epidemic season and the largest loss in fish history in China An acute integrated fish disease. It is an acute infectious disease caused by bacterial infections such as Aeromonas hydrophila, Aeromonas sobria, Yersinia rickettsi, etc. The disease is predominantly circulating in Henan from late November to the second year Early March. Aquaculturists want comprehensive coverage of the epidemic