Table 3.

Variance components (standard error) estimated using pedigree and phenotypic data

Trait (unit)	${\mathit{\sigma }}_a^2$	${\mathit{\sigma }}_e^2$	${\mathit{\sigma }}_p^2$	$h^2$
BT (mm)	5.57 (0.62)	5.75 (0.49)	11.32 (0.26)	0.49 (0.05)
CW (kg)	315.28 (46.76)	699.95 (40.51)	1015.23 (22.26)	0.31 (0.04)
EMA (cm2)	26.75 (3.27)	35.33 (2.67)	62.08 (1.42)	0.43 (0.05)
lnMS (Score)	0.08 (0.01)	0.05 (0.008)	0.13 (0.004)	0.61 (0.06)

BT backfat thickness, CW carcass weight, EMA eye muscle area, MS marbling score

${\mathit{\sigma }}_a^2,{\mathit{\sigma }}_e^2,{\mathit{\sigma }}_p^2,h^2$: additive genetic variance, error variance, phenotypic variance and heritability, respectively