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Table 3 Correlation (rEBV,MBV) between EBV and MBV and regression coefficient (bEBV,MBV) of EBV on MBV in cohorts of young bulls for five methods

From: A comparison of five methods to predict genomic breeding values of dairy bulls from genome-wide SNP markers

Trait

Method

Year of birth

  

1998

1999

2000

2001

2002

1998-2002

rEBV,MBV

ASI

FR-LS

0.22

0.23

0.33

0.26

0.12

0.27

 

RR-BLUP

0.35

0.39

0.40

0.32

0.28

0.39

 

Bayes-R

0.38

0.38

0.42

0.33

0.29

0.41

 

SVR

0.42

0.40

0.46

0.40

0.35

0.45

 

PLSR

0.39

0.38

0.40

0.35

0.34

0.42

PPT

FR-LS

0.48

0.52

0.41

0.46

0.43

0.47

 

RR-BLUP

0.53

0.58

0.53

0.56

0.49

0.55

 

Bayes-R

0.63

0.60

0.55

0.63

0.51

0.60

 

SVR

0.64

0.61

0.57

0.63

0.52

0.61

 

PLSR

0.63

0.55

0.50

0.62

0.43

0.56

bEBV,MBV

ASI

FR-LS

0.18

0.25

0.29

0.26

0.11

0.26

 

RR-BLUP

0.59

0.72

0.82

0.72

0.60

0.72

 

Bayes-R

0.59

0.71

0.81

0.71

0.59

0.76

 

SVR

0.61

0.65

0.76

0.77

0.66

0.74

 

PLSR

0.45

0.49

0.55

0.51

0.48

0.55

PPT

FR-LS

0.58

0.62

0.45

0.59

0.40

0.55

 

RR-BLUP

1.09

0.93

0.98

1.10

0.72

1.08

 

Bayes-R

1.24

1.10

1.15

1.29

0.81

1.16

 

SVR

1.13

0.99

1.07

1.17

0.72

1.05

 

PLSR

0.88

0.73

0.74

0.93

0.50

0.80

Number of bulls

  

144

189

173

137

63

706

  1. The training data set included animals born before 1998; ASI: Australian Selection Index; PPT: protein percentage; FR-LS: fixed regression-least squares; RR-BLUP: random regression-BLUP; Bayes-R: Bayesian regression; SVR: support vector regression; PLSR: partial least squares regression.