日龄(day after hatching) | 放养密度(kg/m3) (stocking density) |
92 | 2.1-3.8 |
119 | 4.1-8.5 |
127 | 2.6-5.4 |
139 | 3.4-3.7 |
231 | 16.4-17.6 |
267 | 19.9-21.7 |
294 | 21.0-23.1 |
321 | 23.5 |