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