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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.