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Table 1 Estimates (and posterior standard deviation) of narrow sense heritability and of variance components for models that included genomic inbreeding and successively added additive effects (\(A\)), dominance effects (\(A + D\)), additive-by-additive effects (\(A + D + AA\)), additive-by-dominance effects (\(A + D + AA + AD\)), and dominance-by-dominance effects (\(A + D + AA + AD + DD\))

From: Dominance and epistatic genetic variances for litter size in pigs using genomic models

Model

\(h^{2}\)

\(d^{2}\)*

\(i^{2}\)**

\(\sigma_{pe}^{2}\)

\(\sigma_{e}^{2}\)

\(A\)

0.095 (0.013)

  

0.931 (0.110)

7.049 (0.116)

\(A + D\)

0.093 (0.013)

0.022 (0.013)

 

0.755 (0.143)

7.053 (0.117)

\(A + D + AA\)

0.093 (0.013)

0.020 (0.010)

0.016 (0.015)

0.633 (0.178)

7.052 (0.117)

\(A + D + AA + AD\)

0.092 (0.013)

0.020 (0.011)

0.024 (0.014)

0.572 (0.179)

7.051 (0.118)

\(A + D + AA + AD + DD\)

0.092 (0.013)

0.019 (0.012)

0.038 (0.017)

0.450 (0.184)

7.054 (0.117)

  1. * \(d^{2} = \sigma_{D}^{2} /\sigma_{P}^{2}\), ** \(i^{2} = \sigma_{AA}^{2} /\sigma_{P}^{2}\) for the \(A + D + AA\) model, \(i^{2} = \left( {\sigma_{AA}^{2} + \sigma_{AD}^{2} } \right) /\sigma_{P}^{2}\) for the \(A + D + AA + AD\) model, and \(i^{2} = \left( {\sigma_{AA}^{2} + \sigma_{AD}^{2} + \sigma_{DD}^{2} } \right) /\sigma_{P}^{2}\) for the \(A + D + AA + AD + DD\) model