Accounting for genomic pre-selection in national BLUP evaluations in dairy cattle

Table 6 Effect of accuracy of genomic evaluations on BLUP evaluations for foot angle in the cohort of selected young sires

EDC^{g d}	Proportion of selected young sires	Bias (in σ_g^c)		Mean squared error
		GPS_no^a	GPS_all^b	GPS_no^a	GPS_all^b
10	10%	-0.249 (***)	-0.098 (***)	0.339	0.270
	25%	-0.155 (***)	-0.054 (**)	0.299	0.257
26	10%	-0.338 (***)	-0.020 (ns)	0.305	0.222
	25%	-0.214 (***)	-0.011 (ns)	0.364	0.229

H0 = {μ = 0}: ns = non significant (p > 0.001); *** = p-value < 0.001; ^agenomic pre-selection of young sires but no inclusion of genomic pseudo-performances; ^bgenomic pre-selection of young sires and genomic pseudo-performances were included for all candidate sires; ^cgenetic standard deviation of the trait; ^deffective daughter contribution from genomic EBV

ISSN: 1297-9686