Differential contribution of genomic regions to marked genetic variation and prediction of quantitative traits in broiler chickens

Table 2 Estimates of additive and dominance genomic heritability of SNPs partitioned into six classes of genomic regions for body weight (BW), ultra-sound of breast muscle (BM) and hen house egg production (HHP)

Class of genomic regions	BW		BM		HHP
Class of genomic regions	\(h_{mA}^{2}\) ± SD	\(h_{mD}^{2}\) ± SD	\(h_{mA}^{2}\) ± SD	\(h_{mD}^{2}\) ± SD	\(h_{mA}^{2}\) ± SD	\(h_{mD}^{2}\) ± SD
Intergenic	0.22 ± 0.04	0.05 ± 0.02	0.24 ± 0.05	0.07 ± 0.02	0.16 ± 0.04	0.05 ± 0.01
Intron	0.23 ± 0.03	0.05 ± 0.02	0.25 ± 0.05	0.06 ± 0.02	0.17 ± 0.04	0.06 ± 0.02
Missense	0.18 ± 0.03	0.04 ± 0.01	0.20 ± 0.03	0.04 ± 0.01	0.15 ± 0.03	0.05 ± 0.01
Synonymous	0.28 ± 0.05	0.04 ± 0.02	0.28 ± 0.05	0.05 ± 0.01	0.17 ± 0.04	0.05 ± 0.01
UTR	0.21 ± 0.04	0.05 ± 0.01	0.23 ± 0.04	0.07 ± 0.02	0.17 ± 0.04	0.06 ± 0.01
Up-down stream	0.22 ± 0.04	0.06 ± 0.02	0.26 ± 0.05	0.07 ± 0.02	0.18 ± 0.04	0.05 ± 0.01
All markers	0.23 ± 0.04	0.06 ± 0.02	0.26 ± 0.05	0.07 ± 0.02	0.17 ± 0.04	0.06 ± 0.02

Each genomic region was fitted separately
Numbers in italics indicate the largest estimates among all classes of genomic regions
\(h_{mA}^{2}\) Additive genomic heritability, \(h_{mD}^{2}\) dominance genomic heritability, SD posterior standard deviation

ISSN: 1297-9686