在不易抽干水的池塘和水库中,很难清除野杂鱼。印度淡水养殖中心发现,将漂白粉(每升含氯５毫克)和尿素(每升含氨５毫克)混合后投入水中,半小时之内可全部杀死野杂鱼。具体方法是:先泼洒尿素,经一昼夜后再泼洒漂白粉。水温在２３～３０摄氏度时,１０～１５分钟后野杂鱼表现不安, In difficult to pump water in the ponds and reservoirs, it is difficult to remove wild trash fish. India Freshwater Aquaculture Center found that the bleaching powder (5 mg per liter of chlorine) and urea (5 mg per liter of ammonia) mixed into the water, within half an hour to kill wild boar. The specific method is: first spill urea, sprinkle bleach after a day and night. Water temperature at 23 ~ 30 degrees Celsius, 10 to 15 minutes after the performance of wild fish miscellaneous,