Genome-wide associations and detection of potential candidate genes for direct genetic and maternal genetic effects influencing dairy cattle body weight at different ages

Table 2 Genetic parameters for body weight recorded at different ages based on pedigree and genomic relationship matrices

Relationship matrix	Trait	Heritability			Genetic correlation for direct effects
Relationship matrix	Trait	Direct	Maternal	Total	BW23	BW1314
Pedigree	BW0	0.46 (0.01)	0.14 (0.01)	0.40 (0.01)	0.46 (0.03)	0.39 (0.03)
	BW23	0.37 (0.01)	0.11 (0.01)	0.23 (0.01)		0.46 (0.04)
	BW1314	0.48 (0.02)	0.13 (0.01)	0.34 (0.01)
Genomic	BW0	0.33 (0.01)			0.51 (0.05)	0.33 (0.04)
	BW23	0.19 (0.02)				0.47 (0.07)
	BW1314	0.22 (0.02)

Standard errors in parentheses
BW0: body weight recorded at birth; BW23: body weight recorded at 2 to 3 month of age; BW1314: body weight recorded at 13 to 14 months of age

ISSN: 1297-9686