1989年9月青岛崂山区上马镇养虾场部分虾池中流行红腿病。自垂死病虾体内分离出多株细菌,其中二株经感染健康成虾得到与病虾相同症状,证明所分离菌是对虾红腿病病原菌。经 63项形态及生理生化特性鉴定为普通变形菌(Protetus oulgaris Hauser)。中国对虾养成期红腿病系由条件致病菌所致,其作用部位在对虾血淋巴并引起血淋巴混浊、变稀、凝固能力下降。该病的实质是由于细菌侵入对虾循环系统而导致的败血症。 1989 September Laoshan District, Qingdao Shangma Zhen shrimp farm part of the shrimp pond popular red leg disease. Many strains of bacteria were isolated from dying shrimp, among which two were infected with healthy adult shrimp to get the same symptoms as diseased shrimp, proving that the isolated bacteria were pathogens of red-legged shrimp. After 63 morphological and physiological and biochemical characteristics identified as Proteus (Protetus oulgaris Hauser). The development of Chinese shrimp red leg disease caused by pathogenic bacteria, its role in the hemolymph shrimp and cause hemolytic turbidity, thinning, coagulation decreased. The essence of the disease is sepsis caused by bacterial invasion into the shrimp circulatory system.