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Table 1 Realised and expected accuracies of GEBV for GBLUP when a Holstein reference was used to predict SNP effects for Holstein validation GEBV and when a Jersey reference was used to predict SNP effects for Jersey validation GEBV

From: Accuracy of genomic breeding values in multi-breed dairy cattle populations

   

Trait

Breed

Method

Accuracy

Protein

Fat

Milk

Prot%

Fat%

Holstein

Sire pathway*

Realised

0.40

0.42

0.46

0.49

0.44

Jersey

Sire pathway*

Realised

0.47

0.48

0.52

0.55

0.63

Holstein

GBLUP

Realised

0.49

0.44

0.59

0.61

0.62

  

Expected

0.61

0.60

0.63

0.68

0.66

Jersey

GBLUP

Realised

0.53

0.41

0.56

0.63

0.71

  

Expected

0.54

0.54

0.52

0.57

0.56

  1. *Calculated from the full Australian dairy herd improvement scheme (ADHIS) data set