大港水库地处沧州东北部,面积533.33hm2,水草繁茂,已养殖河蟹多年,2005年暴发了河蟹纤毛虫病,造成河蟹行动缓慢,摄食减少,不蜕壳,生长缓慢,严重的造成河蟹大量死亡,大港区水产服务中心同专家共同深入调查研究、进行了多次防治试验,最后确定采取施用治疗纤毛虫病的有效成分硫酸 Dagang Reservoir is located in northeastern Cangzhou, an area of ​​533.33hm2, lush aquatic plants, crabs have been breeding for many years, crab caterpillar disease outbreak in 2005, resulting in slow crab action, feeding reduced, not molt, slow growth, resulting in serious crab death , Dagang Aquaculture Service Center in-depth investigation and study with experts, conducted a number of prevention and control trials, and finally to determine the use of the treatment of ciliateosis, the active ingredient used in sulfuric acid