鱼苗经过15—20天的饲养,体长达3—4厘米时,即成夏花鱼种,这时即应分塘饲养。但分塘后,一般不直接养成食用鱼,而在当年培育成春片鱼种。此外还要根据饲养时间长短,密度及饵料、池塘管理的优劣,以及生产实际需要等情况 Fry after 15-20 days of feeding, body length of 3-4 cm, that is summer flowers species, then should be sub-pond feeding. However, after the sub-ponds, the general does not directly develop food fish, but in the same year to cultivate spring fish species. In addition, according to the length of feeding, density and food, pond management, the merits and demerits, as well as actual production needs