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Table 3 Variance components of the classical linear mean model and two double hierarchical generalized linear models DHGLM1 and DHGLM2 (log-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

-

-

0.005 ± 0.001

 

Genetic1

0.023 ± 0.003

0.007 ± 0.002

0.022 ± 0.003

 

Common environment

0.001 ± 0.001

0.005 ± 0.001

0.001 ± 0.001

 

Residual

0.047 ± 0.002

-

-

 

Heritability

0.321 ± 0.040

-

-

Variance

Sire-dam

-

0.042 ± 0.011

0.034 ± 0.009

 

Genetic1

-

0.166 ± 0.042

0.138 ± 0.037

  1. 1Genetic variance is defined as 4*sire-dam variance.