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Table 4 Quality of BLUP evaluations with or without accounting for pre-selection in the cohort of selected young sires

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

Heritability

Proportion of selected young sires

Bias (in σgc)

Mean squared error

  

GPS_noa

GPS_allb

GPS_noa

GPS_allb

0.36 (UDd trait)

10%

-0.227 (***)

-0.030 (*)

0.217

0.157

 

25%

-0.146 (***)

-0.019 (ns)

0.188

0.150

0.14 (FAe trait)

10%

-0.338 (***)

-0.020 (ns)

0.364

0.222

 

25%

-0.214 (***)

-0.011 (ns)

0.305

0.229

  1. 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; dudder depth; efoot angle