孵出后的仔鱼在第7~9天为死亡高峰期，第11天左右的仔鱼体色有明显的变化，由棕红色变为黑色。
The fry suffered from a peak of death during 7 th to 9 th day and the color of fry changed from reddish brown to black obviously around the 11 th day.
开口后3日龄和PNR是真鲷仔鱼对外界环境的敏感期，其时高温和低盐耐力很低。
The larvae at the age of three days and PNR were sensitive to environment. Their tolerances were very low.
当初次摄食率降至最高初次摄食率5 0 %时，仔鱼进入不可逆期，不可逆点出现在仔鱼孵出后第8 ~ 9天。
The initial larval feeding rates fell to 50% of the tiptop initial feeding rate, the larvae entered the PNR, which appeared on the 8 ~ 9 days after hatching.
应用推荐