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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,必须采取人工增温,强化培育,使罗非鱼提早到4月中旬产卵孵化。具体技术措施如下: (一)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
Suitable tilapia breeding temperature of 22 ~ 23 ℃, usually after mid-May naturally spawning. To seize the season, make full use of light, heat and food resources, we must take artificial warming, intensified nurturing, so that tilapia early in mid-April ovipositing hatch. Specific technical measures are as follows: (a) broodstock selection and selection of mature maturing good selection of broodstock in mid-March into the spawning pool to strengthen the breeding, spawning ponds can be used overwinter pool. Spawning pool stocking per square meter 6