Table 1.
Summary of phenotypic data, indicating range of values, mean and standard error of the mean (±SEM) and standard deviation (SD) for each trait.
| Traits recorded | Range | Mean (±SEM) | SD |
|---|---|---|---|
| Ovulation rate (OR) | 9–28 | 17.21 (0.30) | 3.53 |
| Teat number (TN) | 12–18 | 14.93 (0.12) | 1.37 |
| Litter size (LS) | 2–22 | 12.12 (0.33) | 3.85 |
| Total born alive (TBA) | 1–17 | 10.96 (0.29) | 3.42 |
| Prenatal survival (PS) | 0.11–1 | 0.71 (0.02) | 0.19 |
| Covariates | |||
| Age at mating (days) | 248–357 | 302.41 (1.84) | 21.50 |
| Weight at laparoscopy (kg) | 90–195 | 142.41 (1.82) | 21.26 |
| Age at farrowing (days) | 362–469 | 416.54 (1.84) | 21.50 |
| Gestation length (days) | 108–119 | 114.13 (0.15) | 1.74 |