鱼苗脱膜后3～5天内,卵黄囊逐渐消失,腰点出现时,就可下塘,至培育到夏花鱼种为止。鱼苗培育的要点是:前期培养轮虫;中期培养红虫,即枝角类;后期注重精料,豆浆泼洒均匀,逐步注入新水。做到这些,夏花鱼种出塘前可达4～6厘米。培育时间为4周。1鱼苗池的整修和清塘鱼苗池700～2000? Within 3 to 5 days after removing the fry, the yolk sac gradually disappears. When the waist point appears, the pond can be lowered to cultivate the summer flower species. The main points of fowl nurturing are as follows: the rotifer is cultured in the early stage; the mid-term culturing the red worms, ie, the dendrocalamus; the latter focuses on the concentrate and the soymilk is spilled evenly, and the new water is gradually injected. To do these, summer flowers of fish up to 4 ~ 6 cm before the pond. Cultivation time is 4 weeks. 1 fry pond renovation and Qing pond fry pool 700 ~ 2000?