Table 3.
Effects of dietary BPA supplementation during lactation or gestation and lactation on performance of sows
| Item | Treatment | SEM | P-value5 | ||
|---|---|---|---|---|---|
| Control | L | GL | |||
| No. of sows1 | 27 | 27 | 27 | — | — |
| Parity, n | 2.78 | 2.72 | 2.70 | — | — |
| Sow BW, kg | |||||
| Breeding (day 0) | 209.22 | 214.00 | 218.62 | 5.490 | 0.415 |
| Gestation (day 110) | 269.21 | 267.71 | 273.17 | 8.171 | 0.882 |
| Farrowing standardized2 | 246.76 | 244.94 | 251.24 | 7.610 | 0.826 |
| Weaning | 237.87 | 231.52 | 245.33 | 7.501 | 0.340 |
| Loss lactation | −8.89 | −13.42 | −5.91 | 3.871 | 0.291 |
| Sow BFT, mm | |||||
| Breeding (day 0) | 14.04 | 13.89 | 15.00 | 0.905 | 0.341 |
| Gestation (day 110) | 13.83 | 14.17 | 12.68 | 1.079 | 0.584 |
| Weaning | 12.14 | 12.18 | 11.81 | 0.892 | 0.642 |
| Loss lactation | −1.69 | −1.99 | −0.87 | 0.498 | 0.270 |
| Feed intake, kg | |||||
| Lactation ADFI (day 20)3 | 6.13 | 5.82 | 6.40 | 0.370 | 0.537 |
| Total feed intake4 | 428.39 | 425.92 | 434.64 | 5.535 | 0.491 |
| WOI, d | 3.43 | 4.44 | 3.84 | 0.313 | 0.176 |
1Total number of sows allocated per treatment at the beginning of trial.
2Sow BW at day 110 less litter birth weight.
3Lactation ADFI at day 20.
4Standardized total feed intake considered both the gestation and lactation at day 20 feed intake.
5Sow parity was considered as covariable for the statistical analysis.