Table 1.
Number of individuals, sires, and dams per line used for analyses
| Line1 | No. | Number of sires | Number of dams |
|---|---|---|---|
| D1 | 9,264 | 628 | 2,946 |
| D2 | 18,458 | 710 | 4,330 |
| S1 | 7,228 | 497 | 2,175 |
| S2 | 8,868 | 449 | 2,353 |
1D1 = Landrace dam line; D2 = Large White dam line; S1 = synthetic sire line; S2 = Pietrain sire line.