河蟹常见的疾病主要包括病毒性,细菌性、寄生虫性、蜕壳障碍性疾病及敌害生物的危害。病毒性疾病主要包括呼肠弧状病毒病及河蟹颤抖病等。细菌性的疾病较多,比如:黑鳃病、甲壳溃疡病、烂肢病、水肿病、水霉病、链壳菌病等 寄生虫性疾病主要包括:纤毛虫病、蟹奴病,聚缩虫病等。蜕壳障碍性疾病主要由于饲料或水中缺乏某种元 Common crab diseases include viral, bacterial, parasitic, molting disorders and predators. Viral diseases include reovirus and crab tremor disease. Bacterial diseases, such as: gill disease, chitin and ulcer disease, limb disease, edema disease, water mold, chain disease and other parasitic diseases, including: ciliate disease, crab disease, polycondensation Worm disease and so on. Muddying disorders are mainly due to the lack of some kind of element in feed or water