Table 1.
Description of the involved datasets
| Wean-to-finish mortality1 | Front leg structure2 | |
| Phenotypes 1 (desirable) 2 (undesirable) Incidence |
270,064 243,852 26,212 9.71% |
998,289 865,411 132,878 13.31% |
| Total animals in pedigree | 577,947 | 1,079,080 |
| Genotypes3 | 274,365 | 239,075 |
| Contemporary groups | 426 | 30,895 |
| Litters | 28,263 | 187,696 |
| Linear model | ||
| Variance contemporary group | 0.0029 | 0.0065 |
| Variance litter | 0.0046 | 0.0022 |
| Variance animal | 0.0036 | 0.0247 |
| Variance residual | 0.0752 | 0.0731 |
| Heritability | 0.04 ± 0.01 | 0.23 ± 0.01 |
| Threshold model | ||
| Variance contemporary group | 0.1193 | 0.2940 |
| Variance litter | 0.1462 | 0.0724 |
| Variance animal | 0.1138 | 0.8439 |
| Variance residual | 1.000 | 1.000 |
| Heritability | 0.08 ± 0.01 | 0.38 ± 0.01 |
1Records measured on crossbred animals.
2Records measured on purebred animals.
3Genotypes from purebred animals.