| Group | Sex | P0 (m ± se) | P4 (m ± se) | P8 (m ± se) | P12 (m ± se) | P16 (m ± se) | P20 (m ± se) |
| Founder | Females (N = 55) | 25.01 ± 0.49 | 133.03 ± 3.59 | 342.71 ± 6.83 | 628.85 ± 9.52 | 839.69 ± 12.1 | 1052 ± 14.04 |
| Founder | Males (N = 14) | 24.64 ± 0.82 | 152.86 ± 7.96 | 434.71 ± 12.1 | 787.71 ± 26.41 | 1103.57 ± 29.45 | 1445.71 ± 45.81 |
| offspring | Females (N = 58) | 23.17 ± 0.39 | 195.41 ± 3.63 | 406.02 ± 8.77 | 668.79 ± 14.70 | 844.66 ± 15.59 | 1031.38 ± 18.55 |
| offspring | Males (N = 61) | 23.85 ± 0.40 | 213.54 ± 4.52 | 475.74 ± 11.62 | 780.33 ± 19.33 | 1079.26 ± 26.55 | 1308.85 ± 26.51 |