Table 1.
Phenotypic traits analyzed in the F2 intercross.
| Trait1 | n | Mean ± SD | Range2 |
| Body-weight (g) | |||
| 14 days | 874 | 75.2 ± 14.9 | 38 – 144 |
| 28 days | 871 | 179.1 ± 56.8 | 53 – 385 |
| 42 days | 809 | 365.5 ± 113.1 | 76 – 729 |
| 56 days | 795 | 621.6 ± 186.9 | 134 – 1179 |
| 70 days | 789 | 943.3 ± 262.1 | 182 – 1627 |
| Growth (g) | |||
| 0–14 days | 874 | 47.4 ± 14.7 | 12 – 116 |
| 14–28 days | 871 | 103.8 ± 47.3 | -10 – 241 |
| 28–42 days | 809 | 179.5 ± 68.1 | 0 – 372 |
| 42–56 days | 794 | 251.7 ± 88.6 | -103 – 466 |
| 56–70 days | 788 | 320.7 ± 94.9 | -82 – 778 |
Sex-average mean, standard deviation (SD), number of individuals (n) and the phenotypic range are given for each analyzed body-weight and growth trait.
1Body-weight was measured at six different ages starting from hatch to 70 days. Growth traits were calculated as the differences between body-weights at the two weeks interval.
2Negative values for growth traits occur because some individuals lost weight during a two-week interval.