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Descriptive statistics for data included in the study
| Item | Mean | SD | Minimum | Maximum |
|---|---|---|---|---|
| Parity | 2.3 | 1.31 | 1 | 5 |
| Total born | 14.9 | 3.13 | 1 | 25 |
| Born alive | 14.2 | 3.06 | 1 | 23 |
| Stillbirths | 0.37 | 0.68 | 0 | 9 |
| Mummies | 0.30 | 0.59 | 0 | 4 |
| Pigs weaned | 13.3 | 2.19 | 0 | 17 |
| Gestation length, d | 115.3 | 0.99 | 112 | 117 |
Values from a total of 712 females (Camborough, PIC, Hendersonville, TN) are used.
