| Reproductive trait | Lactation average daily feed intake, kg | ||
| Previous lactation | Concurrent lactation | ||
| ADFI | ADFI | ADFI† | |
| Number born alive | 0.691* | ||
| Litter birth weight, kg | 0.996* | ||
| Number weaned | 0.339 | 2.98* | −0.162* |
| Litter weaning weight, kg | 0.611 | 8.64* | |
| Piglet survival, % | 2.21 | 25.2* | −1.51* |
| Wean-to-conception interval, days | 0.696 | −7.63* | 0.578* |
| Farrowing rate, % | 0.009 | ||