池塘中,鲤鱼、鲫鱼、罗非鱼、■条、麦穗鱼等鱼类自然大量产卵繁苗,这些苗种泛滥,与主养鱼争食、争氯、争水体活动空间,影响养鱼产量效益。本地渔民从五个方面进行人工控制,收到了良好的效果。一、严格清塘消毒。鱼类放养前,用生石灰、漂白粉、五氯酚钠、茶饼、“鱼无病”等药物对鱼池进行高浓度的清塘消毒,彻底杀灭池中的鱼类和病虫害,同时清除杂草。二、拦好进排水口。进排水口均用密眼网拦严,防止进排水时野杂鱼进入鱼池。三、鱼巢诱捕。根据鲤鱼、鲫鱼等产粘性卵的 Pond, carp, crucian carp, tilapia, noodles, ears of fish and other large numbers of natural spawning fish, seedlings flooding, and the main fish fight food, fight chlorine, water sports activities space, affecting fish Yield benefits. Local fishers conducted manual control in five aspects and received good results. First, strict disinfection Qing Tong. Fish stocking, with lime, bleaching powder, sodium pentachlorophenol, tea cake, “fish disease-free” and other drugs on the fish ponds for high concentrations of Qing Tong disinfection, and thoroughly kill fish and pests in the pool, and remove weeds . Second, stopped into the drain. Inlet and outlet are closed with dense eye net, to prevent the trash into the fish pond into the water. Third, the fish trap. According to carp, crucian carp and other viscous eggs