Increasing accuracy of genomic selection in presence of high density marker panels through the prioritization of relevant polymorphisms

Table 5 Variance component estimates, accuracy of genomic prediction, and heritability (standard deviation) under different subsets of F_ST based and randomly selected SNPs for weaning weight of beef cattle

	Accuracy^a	GV^b	RV^c	Heritability
F_ST based
2.5 K	0.36 (0.02)	91.39 (6.28)	321.41 (7.43)	0.22 (0.01)
5 K	0.36 (0.02)	119.32 (8.67)	299.13 (7.87)	0.29 (0.02)
20 K	0.33 (0.03)	144.94 (15.74)	286.10 (11.88)	0.34 (0.03)
Random
2.5 K	0.26 (0.04)	83.75 (13.99)	346.11 (12.57)	0.19 (0.03)
5 K	0.25 (0.03)	100.34 (17.60)	332.13 (15.87)	0.23 (0.04)
20 K	0.27 (0.01)	120.67 (15.30)	313.64 (11.87)	0.28 (0.03)
Full panel
50 K	0.27 (0.02)	128.08 (17.86)	306.69 (13.33)	0.29 (0.04)

^acorrelation between adjusted phenotypes and predicted breeding values;^b genetic variance,^c residual variance

ISSN: 2730-6844