Table 3.
Estimated variance components, heritabilities (h2), common litter effects (c2), maternal heritabilities (m2) and permanent maternal effects (n2) for birth mass (Standard error)
| Univariate | Bivariate | ||
|---|---|---|---|
| Not adjusted for litter size |
Adjusted for litter size |
(with litter size) | |
| Vp | 0.054 (0.001) | 0.044 (0.001) | 0.055 (0.001) |
| Va | 0.004 (0.002) | 0.005 (0.002) | 0.005 (0.002) |
| Vm | 0.005 (0.002) | 0.005 (0.001) | 0.004 (0.002) |
| Vc | 0.024 (0.001) | 0.014 (0.001) | 0.025 (0.001) |
| Vn | 0.004 (0.001) | 0.004 (0.001) | 0.004 (0.001) |
| h2 | 0.08 (0.03) | 0.11 (0.03) | 0.09 (0.03) |
| c2 | 0.45 (0.02) | 0.32 (0.02) | 0.44 (0.02) |
| m2 | 0.09 (0.03) | 0.11 (0.03) | 0.08 (0.03) |
| n2 | 0.08 (0.03) | 0.08 (0.03) | 0.08 (0.03) |
Vp = phenotypic variance; Va = additive genetic variance; Vc = common litter variance; Vm = maternal genetic variance; Vn = maternal permanent environmental variance