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7、8、9三个月的高温季节,既是鱼类生长的黄金季节,又是鱼病的流行盛期。鱼类一旦染上病害,即使不死,也将影响鱼类生产从而损失全年的鱼产量,搞鱼好病的预防工作主要从以下几方面着手。保护良好的生态环境,减少鱼病的发生。①科学施肥:高温季节要限制使用大草大肥,数量不能过多,并且所施的肥料,一定要经过发酵,施熟粪,不施生粪。所投喂的水,旱草要干净。②合理施药:高温季节施药更要慎重,不能多用。用药必
7,8,9 three-month high season, both the golden season of fish growth, but also the prevalence of fish disease epidemic. Fish once infected with disease, even if not dead, will also affect the production of fish to the loss of fish production throughout the year, fish disease prevention work mainly from the following aspects. Protect the good ecological environment and reduce the occurrence of fish diseases. ① scientific fertilization: high temperature season to limit the use of large grass and fertilizer, the number can not be too much, and the applied fertilizer, must go through fermentation, Shi Shu manure, not manure. The water fed, dry grass to be clean. ② reasonable application: high temperature season more prudent, can not be used more. Medication must