开春以后水温逐渐回升,特别是3～4月的产前阶段,鱼类活动加强,发育迅速,摄食量也随之增加,这个阶段是亲鱼性腺发育的重要时期。实践证明,亲鱼春季培育好坏是家鱼人工繁殖成败的关键,因此,必须抓好以下几点。 After the spring water temperature gradually picked up, especially from March to April prenatal stage, fish activities to strengthen and develop rapidly, food intake also increased, this stage is an important period of broodstock gonadal development. Practice has proved that the pro-fish cultivation in spring is good or bad is the key to the success or failure of artificial reproduction of fish, therefore, we must grasp the following points.