罗非鱼繁殖的适宜水温为22～23℃,一般在5月中旬以后自然产卵。为抢季节,充分利用光、热与饵料资源,以提高养殖产量,必须采取人工增温,强化培育,提早春繁,使罗非鱼在4月中旬产卵孵苗。具体措施如下:1亲鱼选择与培育选择成熟度好的亲鱼在3月中旬放入产卵池内加强培育,产卵池可选用越冬池。一般每平方米产卵池放养6尾亲鱼,雌雄比例2:1或3:1,同时要定期换水。 Suitable tilapia breeding temperature of 22 ~ 23 ℃, usually after mid-May naturally spawning. To seize the season, take full advantage of light, heat and food resources, in order to improve aquaculture production, we must take artificial warming, strengthen the cultivation, early spring to make tilapia oviposition in mid-April. Specific measures are as follows: 1 broodstock selection and selection of mature maturity selection of broodstock in mid-March into the spawning pool to strengthen the breeding, spawning ponds can be used overwinter pool. General spawning ponds per square meter 6 stocking broodstock, male and female ratio of 2: 1 or 3: 1, at the same time to regularly change the water.