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Table 2 Variance components of the classical linear mean animal model and two double hierarchical generalized linear models DHGLM1 and DHGLM2 (untransformed data)

From: Genetic heterogeneity of within-family variance of body weight in Atlantic salmon (Salmo salar)

Sub-model Variance component Classical DHGLM1 DHGLM2
Mean Sire-dam - - 0.071 ± 0.010
  Genetic1 0.303 ± 0.041 0.099 ± 0.023 0.283 ± 0.039
  Common environment 0.013 ± 0.008 0.063 ± 0.010 0.016 ± 0.008
  Residual 0.521 ± 0.022 - -
  Heritability 0.362 ± 0.043 - -
Variance Sire-dam - 0.051 ± 0.008 0.043 ± 0.008
  Genetic1 - 0.204 ± 0.033 0.174 ± 0.031
  1. 1Genetic variance is defined as 4*sire-dam variance.