Table 2.
Genetic correlations (above the diagonal) and phenotypic correlations (below the diagonal) for reproduction traits in Landrace and Large White pigs
| Breeds | Traits | PWL | BAL | W2CL | LSY | PWSY | NPD |
|---|---|---|---|---|---|---|---|
| Landrace | PWL | - | 0.94 | −0.38 | 0.23 | 0.89 | −0.25 |
| BAL | 0.84 | - | −0.28 | 0.12 | 0.78 | −0.13 | |
| W2CL | −0.01 | 0.03 | - | −0.34 | −0.46 | 0.35 | |
| LSY | −0.09 | −0.05 | −0.34 | - | 0.66 | −0.99 | |
| PWSY | 0.91 | 0.77 | −0.15 | 0.33 | - | −0.67 | |
| NPD | 0.06 | 0.04 | 0.35 | −0.99 | −0.35 | - | |
| Large White | PWL | - | 0.87 | −0.21 | 0.25 | 0.90 | −0.26 |
| BAL | 0.83 | - | −0.15 | 0.08 | 0.73 | −0.08 | |
| W2CL | 0.02 | 0.05 | - | −0.53 | −0.41 | 0.53 | |
| LSY | −0.10 | −0.06 | −0.38 | - | 0.65 | −0.99 | |
| PWSY | 0.92 | 0.77 | −0.14 | 0.29 | - | −0.65 | |
| NPD | 0.08 | 0.05 | 0.39 | −0.99 | −0.31 | - |
PWL, pigs weaned per litters; BAL, born alive per litters; W2CL, wean to conception interval per litters; LSY, litter per sow per year; PWSY, pig weaned per sow per year; NPD, non-productive day.