一、虾病的诊断方法 罗氏沼虾疾病的发生与生活环境有密切的关系。要及时地发现和诊断虾病必须进行如下工作。 1、观察虾在水中的活动情况。正常的虾往往白天成群在水池深处不活动,夜晚出来觅食,反应敏捷,病虾往往白天离群,行动迟 First, the diagnosis of shrimp disease Macrobrachium rosenbergii disease and the occurrence of living environment are closely related. To promptly find and diagnose shrimp disease must carry out the following work. 1, observe the activity of shrimp in the water. Normal shrimp are often in groups during the day in the pool is not active at night out of feeding, quick response, diseased shrimp often during the day out of action late