投喂药饵是预防和治疗鱼病的常用方法之一。为了提高防治效果,必须注意以下七要点: 1.用药要对症,用量要适当。寄生虫病用硫酸铜与硫酸亚铁合剂(5∶2)防治,每立方米水体0.7g;用90％敌百虫粉剂防治,每立方米水体0.4g。细菌性烂鳃病,如用漂白粉防治,每立方米水体1g; Feeding baits is one of the common ways to prevent and treat fish diseases. In order to improve the prevention and treatment effect, we must pay attention to the following seven points: 1. medication to symptomatic, the dosage should be appropriate. Parasitic disease with copper sulfate and ferrous sulfate mixture (5: 2) control, 0.7g per cubic meter of water; with 90% trichlorfon powder control, 0.4g per cubic meter of water. Bacterial gill disease, such as the prevention and treatment of bleach, water per cubic meter 1g;