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药物防治鱼病,是当前鱼病防治的主要手段,效果一般很理想。但根据各地防治鱼病的情况,有以下问题必须十分注意。
The prevention and cure of fish diseases by drugs is the main means of prevention and treatment of fish diseases, and the effect is generally satisfactory. However, according to the situation of preventing and controlling fish diseases in various places, the following problems must be paid great attention.