Table 2.
Effects of rare earth elements (REE) supplementation during late gestation on reproductive performances of the sows at birth.
| Items | Dietary Treatment | p-Value | |
|---|---|---|---|
| Control | REE-G a | ||
| Total litter size, n | 13.43 ± 0.35 | 13.21 ± 0.39 | 0.686 |
| Born alive, n | 13.20 ± 0.35 | 12.92 ± 0.38 | 0.593 |
| Average birth weight of piglets/litter, kg | 1.44 ± 0.03 | 1.51 ± 0.03 | 0.093 |
| Total birth weight/litter, kg | 19.29 ± 0.41 | 19.49 ± 0.52 | 0.768 |
| Within-litter birth weight CV b, % | 0.21 ± 0.01 | 0.18 ± 0.01 ** | <0.01 |
** p < 0.01 versus the control group. a REE-G, REE supplied during gestation. b CV, Coefficient of variation.