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Table 4 Accuracy {expressed as correlations between true breeding values (TBV) and genomic estimated breeding values [GEBV; r(TBV, GEBV)]}, and slopes [b(TBV, GEBV)] of regression of TBV on GEBV for genomic prediction with simulated QTL genotypes included for training and validation

From: Multi-population genomic prediction using a multi-task Bayesian learning model

   Ayrshire Holstein
No. of QTL ρ Single-task Pooling Multi-task Single-task Pooling Multi-task
r(TBV, GEBV)
20 0.2 0.76 ± 0.04 0.64 ± 0.04 0.92 ± 0.01 0.96 ± 0.01 0.93 ± 0.01 0.97 ± 0.01
20 0.8 0.71 ± 0.05 0.88 ± 0.02 0.93 ± 0.01 0.97 ± 0.01 0.97 ± 0.01 0.97 ± 0.01
200 0.2 0.57 ± 0.03 0.53 ± 0.03 0.60 ± 0.04 0.77 ± 0.01 0.76 ± 0.01 0.78 ± 0.01
200 0.8 0.54 ± 0.04 0.65 ± 0.02 0.61 ± 0.04 0.76 ± 0.02 0.78 ± 0.02 0.77 ± 0.01
b(TBV, GEBV)
20 0.2 1.01 ± 0.06 0.83 ± 0.08 0.99 ± 0.03 1.00 ± 0.01 1.00 ± 0.02 1.00 ± 0.01
20 0.8 1.04 ± 0.08 0.89 ± 0.06 0.97 ± 0.03 0.98 ± 0.01 1.01 ± 0.02 0.99 ± 0.01
200 0.2 1.23 ± 0.10 0.89 ± 0.06 1.16 ± 0.08 1.00 ± 0.03 1.03 ± 0.03 1.01 ± 0.03
200 0.8 1.10 ± 0.09 1.06 ± 0.06 1.12 ± 0.09 0.98 ± 0.03 0.97 ± 0.03 0.98 ± 0.02