Table 3 Performance characteristics 5 months (October 2019- February 2020) after the affected boar was not used for mating in comparison with the status before
Performance characteristics | Status before a | Status quo b | Reference values [14] |
|---|---|---|---|
Piglets born alive/ litter | 13.8 | 12.6 | 12–14.0 |
Piglets born dead/ litter | 1.8 | 1.1 | ≤ 0.5 |
Piglets weaned/ litter | 11.1 | 9.8 | 11.0 |
Return to oestrus rate (%) | 35.3 | 14.1 | ≤ 12.0 |
Regular return (%)c | 28.7 | 5.9 | |
Irregular return (%)d | 6.6 | 8.2 |