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稻田放养的鲫鱼,个体小,易遭敌害,因此,防除敌害十分重要。 水蜈蚣 主要吞食鱼种,应在鱼种投放前一个月,667平方米施茶枯60千克,能杀死水蜈蚣。若放养期间发现水蜈蚣,可将鲫鱼和水蜈蚣一起捞入网箱,洒适量煤油,使水蜈蚣触及煤油后窒息死亡。 虎纹蛙 吞食鲫鱼和鱼饲料,应在投放鱼苗前半个月,667平方米施石灰20千克,能杀死全部虎纹蛙蝌蚪,过3～5天,再用每5千克鲜猪血加100克
Crucian carp stocked in paddy fields, small individuals vulnerable to enemy damage, therefore, the prevention and control of predators is very important. Water centipede mainly swallowed fish species should be put one month before the fish species, 667 square meters tea 60 kg, can kill the water centipede. If the water centipede found during stocking, the carp and water centipede can be fishing into the cage, sprinkle the amount of kerosene, the water centipede kerosene hit suffocation death. Tiger frog swallow carp and fish feed, should be half a month before the release of fry, 667 square meters of lime 20 kg, can kill all tiger frog tadpoles, after 3 to 5 days, and then every 5 kg of fresh pig blood plus 100 G