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Table 4 Variance components of the classical linear mean model and two double hierarchical generalized linear models DHGLM1 and DHGLM2 (root-transformed 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 - - 0.019 ± 0.003
  Genetic1 0.082 ± 0.011 0.030 ± 0.007 0.078 ± 0.011
  Common environment 0.003 ± 0.002 0.016 ± 0.003 0.004 ± 0.002
  Residual 0.149 ± 0.006 - -
  Heritability 0.350 ± 0.042 - -
Variance Sire-dam - 0.040 ± 0.008 0.033 ± 0.007
  Genetic1 - 0.160 ± 0.032 0.133 ± 0.028
  1. 1Genetic variance is defined as 4*sire-dam variance.