鱼类栖息在水中，使用药物预防和治疗鱼病要确保药物进入鱼体才有疗效。鱼病防治给药方法有药浴、口服、注射等，选用何种方法要看鱼病类别、鱼体大小及所用药物理化学性质。 １、注意对症下药。正确诊断及选用鱼药才能发挥药物作用。如细菌性鱼病施用硫酸铜、硫酸亚铁，既延误 Fish habitat in the water, the use of drugs to prevent and treat fish diseases to ensure that drugs have the effect of entering the fish. Fish disease prevention and treatment methods are medicated bath, oral, injection, which method to choose depends on the type of fish disease, the size of the fish and the physical and chemical properties of the drug used. 1, pay attention to the right medicine. Correct diagnosis and use of fish medicine to play a role in the drug. Such as bacterial fish disease application of copper sulfate, ferrous sulfate, both delayed