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池塘野杂鱼,不仅消耗水体氧气,而且影响池塘经济鱼类的正常摄食量,因此,有效地消灭水体中的野杂鱼,不仅能提高饲料的利用率,而且能提高经济鱼类的产量,现介绍几种有效的去杂方法。 1.彻底清塘,杀灭上年度存留下来的野杂鱼类; 2.用密纱绢做成网袖,进水时将其套在潜水泵水管出水口处,能有效网住抽水时带进来野杂鱼及鱼卵; 3.3～6月份为鲫鱼及野杂鱼繁殖季节,必须控制住鱼卵的正常孵化; (1)发现池边有鱼卵出现即采用药
Pond wild trash fish, not only consume water oxygen, but also affect the normal consumption of fish pond economy, therefore, effectively eliminate wild boar in the water, not only can improve feed utilization, but also to improve economic fish production, Now introduce several effective methods to go to miscellaneous. 1. Thoroughly clear the pond to kill the wild boar retained in the previous year; 2. Made of mesh gauze with dense gauze, which will be nested in the water outlet of the submersible pump when entering the water, which can effectively pump the water March 3 ~ June crucian carp and wild trash breeding season, you must control the normal hatching of fish eggs; (1) found that there is a pool of fish eggs that is, the use of drugs