Posterior mean (co)variances, regression slopes, and basic heritabilities for female liability for extra-pair reproduction and male liability for within-pair paternity success estimated from a univariate animal model that simultaneously considered both direct (female) and associative (male) effects on observed offspring paternity (and hence the observed degree of extra-pair reproduction). Ninety-five credible intervals are in parentheses. Data comprised 944 broods reared by 250 individual females and 264 individual males hatched within the study population. Estimates of the additive genetic covariance and female inbreeding depression are multiplied by −1 to allow direct interpretation in the context of female extra-pair reproduction rather than within-pair reproduction. Details of the univariate model structure are provided as Supporting Information
| Variance components | Regressions | Heritability | ||||||||
| Additive | Additive | Permanent | Pair- | Coefficient | Liability- | |||||
| genetic | genetic | individual | Pair | year | Year | Residual | of | scale | ||
| variance | covariance | variance | variance | variance | variance | variance | inbreeding | Age | heritability | |
| Female extra-pair | 1.54 | 0.18 | 0.31 | 0.24 | 0.75 | 0.04 | 3.00 | −1.80 | _____ | 0.16 |
| reproduction | (0.62–2.74) | (−0.38–0.87) | (<0.001–0.93) | (<0.001–0.80) | (0.001–1.66) | (<0.001–0.18) | (1.78–4.24) | (−8.04–4.63) | (0.07–0.26) | |
| Male within-pair | 0.48 | 0.15 | 1.69 | 0.26 | 0.05 | |||||
| paternity success | (0.11–1.01) | (<0.001–0.56) | (−4.32–7.25) | (0.09–0.39) | (0.01–0.11) | |||||
| Variance components | Regressions | Heritability | ||||||||
| Additive | Additive | Permanent | Pair- | Coefficient | Liability- | |||||
| genetic | genetic | individual | Pair | year | Year | Residual | of | scale | ||
| variance | covariance | variance | variance | variance | variance | variance | inbreeding | Age | heritability | |
| Female extra-pair | 1.54 | 0.18 | 0.31 | 0.24 | 0.75 | 0.04 | 3.00 | −1.80 | _____ | 0.16 |
| reproduction | (0.62–2.74) | (−0.38–0.87) | (<0.001–0.93) | (<0.001–0.80) | (0.001–1.66) | (<0.001–0.18) | (1.78–4.24) | (−8.04–4.63) | (0.07–0.26) | |
| Male within-pair | 0.48 | 0.15 | 1.69 | 0.26 | 0.05 | |||||
| paternity success | (0.11–1.01) | (<0.001–0.56) | (−4.32–7.25) | (0.09–0.39) | (0.01–0.11) | |||||
Posterior mean (co)variances, regression slopes, and basic heritabilities for female liability for extra-pair reproduction and male liability for within-pair paternity success estimated from a univariate animal model that simultaneously considered both direct (female) and associative (male) effects on observed offspring paternity (and hence the observed degree of extra-pair reproduction). Ninety-five credible intervals are in parentheses. Data comprised 944 broods reared by 250 individual females and 264 individual males hatched within the study population. Estimates of the additive genetic covariance and female inbreeding depression are multiplied by −1 to allow direct interpretation in the context of female extra-pair reproduction rather than within-pair reproduction. Details of the univariate model structure are provided as Supporting Information
| Variance components | Regressions | Heritability | ||||||||
| Additive | Additive | Permanent | Pair- | Coefficient | Liability- | |||||
| genetic | genetic | individual | Pair | year | Year | Residual | of | scale | ||
| variance | covariance | variance | variance | variance | variance | variance | inbreeding | Age | heritability | |
| Female extra-pair | 1.54 | 0.18 | 0.31 | 0.24 | 0.75 | 0.04 | 3.00 | −1.80 | _____ | 0.16 |
| reproduction | (0.62–2.74) | (−0.38–0.87) | (<0.001–0.93) | (<0.001–0.80) | (0.001–1.66) | (<0.001–0.18) | (1.78–4.24) | (−8.04–4.63) | (0.07–0.26) | |
| Male within-pair | 0.48 | 0.15 | 1.69 | 0.26 | 0.05 | |||||
| paternity success | (0.11–1.01) | (<0.001–0.56) | (−4.32–7.25) | (0.09–0.39) | (0.01–0.11) | |||||
| Variance components | Regressions | Heritability | ||||||||
| Additive | Additive | Permanent | Pair- | Coefficient | Liability- | |||||
| genetic | genetic | individual | Pair | year | Year | Residual | of | scale | ||
| variance | covariance | variance | variance | variance | variance | variance | inbreeding | Age | heritability | |
| Female extra-pair | 1.54 | 0.18 | 0.31 | 0.24 | 0.75 | 0.04 | 3.00 | −1.80 | _____ | 0.16 |
| reproduction | (0.62–2.74) | (−0.38–0.87) | (<0.001–0.93) | (<0.001–0.80) | (0.001–1.66) | (<0.001–0.18) | (1.78–4.24) | (−8.04–4.63) | (0.07–0.26) | |
| Male within-pair | 0.48 | 0.15 | 1.69 | 0.26 | 0.05 | |||||
| paternity success | (0.11–1.01) | (<0.001–0.56) | (−4.32–7.25) | (0.09–0.39) | (0.01–0.11) | |||||
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