Table 1. Variance components and heritabilities for productive traits

Traits	Method	σ a 2	σ e 2	σ p 2	h2 (SE)
AGE (days)	PBLUP	47.66	58.18	105.84	0.45 (0.01)
	ssGBLUP	54.130	56.73	110.86	0.49 (0.01)
ADG (g)	PBLUP	766.41	923.76	1,690.20	0.45 (0.01)
	ssGBLUP	889.23	890.09	1,779.30	0.49 (0.01)
BF (mm)	PBLUP	3.69	3.40	7.109	0.52 (0.01)
	ssGBLUP	4.18	3.27	7.46	0.56 (0.01)
EMA (cm2)	PLBUP	1.89	6.46	8.34	0.22 (0.01)
	ssGBLUP	1.96	6.50	8.45	0.23 (0.01)

σ a 2 , additive genetic. σ e 2 , residual. σ p 2 , phenotypic variances. h² (SE), heritability and standard error; AGE, days to 105 kg; PBLUP, pedigree-based best linear unbiased prediction ; ssGBLUP, single-step genomic BULP; ADG, average daily gain; BF, backfat thickness; EMA, eye muscle area.