Genomic BLUP including additive and dominant variation in purebreds and F1 crossbreds, with an application in pigs

Table 2 Estimates of variances for litter size obtained with the genomic multiple-trait (GBLUP) model

Population	Within line		Crossbred		Permanent environmental variance	Residual variance
Population	Additive variance	Dominance variance	Additive variance^a	Dominance variance^b	Permanent environmental variance	Residual variance
1	0.81 ± 0.13	0.14 ± 0.09	1.47 ± 0.20		0.63 ± 0.15	7.02 ± 0.12
2	0.92 ± 0.14	0.22 ± 0.12	1.44 ± 0.19		0.37 ± 0.18	7.40 ± 0.14
12			1.45 ± 0.19	0.22 ± 0.14	0.94 ± 0.20	6.84 ± 0.12

^aAdditive variance in \(F_{1}\) of alleles inherited from population 1 (or 2), or GCA variance, computed using Eqs. (2) and (3)
^bDominance genetic variance in the \(F_{1}\) population, or SCA variance, calculated from Eq. (4)

ISSN: 1297-9686