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春季是草、鲢、鳙等亲鱼性腺发育成熟的关键时期,抓好这一时期的强化培育不仅能保证人工育苗工作的顺利进行,而且可增加10％—30％的产苗量。春季强化培育的关键措施是: 1、调整亲鱼的放养密度 亲鱼培育池只能主养一种亲鱼、搭配少量其它鱼种,且每亩水面放养的亲鱼数以其总重量在150kg左右为好。若鱼池中有太多的麦穗鱼等野杂鱼,可放几尾肉食性鱼类,如大口鲶、乌鱼、鳜鱼、加州鲈等。
Spring is grass, silver carp, bighead carp and other broodstock gonadal development and maturity of a crucial period, do a good job during this period of intensive cultivation can not only ensure the smooth progress of artificial breeding, but also increase the yield of 10% -30%. The key measures to strengthen the spring cultivation are: 1. Adjust the stocking densities of broodstock. The broodstock broodstock can only breed a broodstock fish with a few other species. The number of brood stocking per mu of water is about 150kg. If the pond there are too many wild fish and other wild fish, you can put a few carnivorous fish, such as catfish, mullet, catfish, California bass and so on.