近年来,鱼类暴发性出血病严重危害鲫、鳙、鲢等养殖鱼类。病鱼症状表现为头部、眼眶、体表及鳍基、鳍条等不同部位的充血,部分鱼肌肉充血、肛门红肿,腹腔积水等现象。病鱼常在三至五天内死亡。目前,市场销售治疗出血病的鱼药价格昂贵,一般养殖场难以承受。建湖县水产养殖场近年来,使用硫酸庆大霉素治疗出血病疗效很好,特别是治疗鲫、鳙鱼出血病。治愈率达 In recent years, fish outbreak of severe bleeding endanger crucian carp, 鳙, silver carp and other farmed fish. Symptoms of diseased fish manifested as head, orbit, body surface and fin base, fin and other parts of the congestion, part of the fish muscle congestion, anal swelling, ascites and other phenomena. Disease fish often die within three to five days. At present, the marketing of hemorrhagic fish drug marketing is expensive, the general farm unbearable. Jianhu County aquaculture farms in recent years, the use of gentamicin sulfate treatment of bleeding is very effective, especially for the treatment of crucian carp bream bleeding. Cure rate of up to