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Table 2 Accuracies of genomic prediction for 425 validation cows when their non-genotyped dams and not their non-genotyped half-sisters were used in the one-step blending approach

From: Improving the accuracy of genomic prediction in Chinese Holstein cattle by using one-step blending

Trait

GBLUP

Original one-step

r v *

Theoretical accuracy

r v *

Theoretical accuracy

Milk yield

0.36

0.73

0.54

0.76

Fat yield

0.46

0.73

0.73

0.76

Fat percentage

0.54

0.67

0.70

0.69

Protein yield

0.39

0.75

0.61

0.76

Protein percentage

0.54

0.67

0.74

0.69

Average

0.46

0.71

0.66

0.73

  1. *r v is equal to the correlation between the estimated breeding and the DRP divided by the average of the square root of the reliability of the DRP in the validation cows.
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Genetics Selection Evolution

ISSN: 1297-9686