本文就江苏省吴江市水产养殖中罗氏沼虾苗细菌病控制的药物定性和定量技术进行了探讨。虾苗细菌病的诊断可借助于显微观察 ,将濒死的虾苗用无菌水反复冲洗体表后 ,用无菌吸水纸将体表所带水分吸干。用无菌镊子拉开头胸部和腹部 ,分别涂片 ,并用结晶紫对涂片作简单染色后 ,镜检 In this paper, Wujiang City, Jiangsu Province, aquaculture in Macrobrachium moss bacterial control bacterial drug qualitative and quantitative technology were discussed. Shrimp bacterial disease can be diagnosed with the help of microscopic observation, the near-death of shrimp with sterile water repeatedly rinse the body surface, with a sterile absorbent paper to dry the body surface with water. With sterile forceps to pull the chest and abdomen, respectively smear, and with a simple staining of the smear for crystal violet, microscopic examination