Table 1.
Comparison between BR3C and BR3 for prediction accuracy for the 10% (H10) and 30% (H30) heritability true breeding values simulated data sets.
| Heritability | Breed (# Records) | BayesR Method | Accuracy (σ) | Bias (σ) | nSNP |
|---|---|---|---|---|---|
| 10% (H10) | Holstein (3753) | BR3C | 0.746 (0.002) | 0.936 (0.005) | 3558 |
| BR3 | 0.670 (0.003) | 0.964 (0.012) | 3948 | ||
| Jersey (1247) | BR3C | 0.722 (0.003) | 0.899 (0.011) | 3558 | |
| BR3 | 0.640 (0.004) | 0.954 (0.007) | 3948 | ||
| RDC (1725) | BR3C | 0.649 (0.003) | 0.976 (0.014) | 3558 | |
| BR3 | 0.534 (0.024) | 1.073 (0.033) | 3948 | ||
| 30% (H30) | Holstein (3753) | BR3C | 0.850 (0.001) | 0.990 (0.005) | 3111 |
| BR3 | 0.754 (0.003) | 0.998 (0.005) | 4707 | ||
| Jersey (1247) | BR3C | 0.809 (0.001) | 0.988 (0.006) | 3111 | |
| BR3 | 0.683 (0.005) | 0.977 (0.007) | 4707 | ||
| RDC (1725) | BR3C | 0.759 (0.004) | 0.961 (0.013) | 3111 | |
| BR3 | 0.577 (0.011) | 0.949 (0.025) | 4707 |
Prediction accuracy was tested in 3 validation breeds, and the table also shows the average number SNPs (nSNP) included in the model.