Measure/preselection scenario | With records on animals in the validation generation | Without records on animals in the validation generation | ||||
---|---|---|---|---|---|---|
Referenceb | VGPc | MGPd | Reference | VGP | MGP | |
Average daily gain during performance testing, size of validation population = 1382 | ||||||
 Estimated heritability | 0.24 (0.01) | 0.25 (0.01) | 0.33 (0.02) | 0.24 (0.01) | 0.24 (0.01) | 0.35 (0.03) |
 Validation accuracye | 0.51 (0.02) | 0.50 (0.02) | 0.49 (0.02) | 0.41 (0.02) | 0.41 (0.02) | 0.40 (0.02) |
 Level biasf | − 0.04 (0.02) | − 0.11 (0.02) | 0.01 (0.02) | − 0.01 (0.02) | − 0.01 (0.02) | 0.01 (0.02) |
 Dispersion biasg | 0.53 (0.02) | 0.54 (0.03) | 0.48 (0.02) | 0.55 (0.03) | 0.55 (0.03) | 0.49 (0.03) |
Average daily gain throughout life, size of validation population = 1383 | ||||||
 Estimated heritability | 0.26 (0.01) | 0.28 (0.01) | 0.33 (0.03) | 0.27 (0.01) | 0.27 (0.01) | 0.35 (0.03) |
 Validation accuracy | 0.58 (0.02) | 0.56 (0.02) | 0.54 (0.02) | 0.47 (0.02) | 0.47 (0.02) | 0.44 (0.02) |
 Level bias | − 0.06 (0.02) | − 0.14 (0.02) | − 0.04 (0.02) | − 0.05 (0.02) | − 0.05 (0.02) | − 0.05 (0.02) |
 Dispersion bias | 0.55 (0.02) | 0.55 (0.02) | 0.51 (0.02) | 0.56 (0.03) | 0.56 (0.03) | 0.54 (0.03) |
Backfat thickness thickness, size of validation population = 1383 | ||||||
 Estimated heritability | 0.58 (0.01) | 0.58 (0.01) | 0.58 (0.02) | 0.58 (0.01) | 0.58 (0.01) | 0.60 (0.03) |
 Validation accuracy | 0.67 (0.01) | 0.66 (0.02) | 0.66 (0.02) | 0.48 (0.02) | 0.48 (0.02) | 0.46 (0.02) |
 Level bias | − 0.03 (0.01) | − 0.03 (0.01) | − 0.03 (0.01) | − 0.09 (0.01) | − 0.09 (0.01) | − 0.10 (0.01) |
 Dispersion bias | 0.50 (0.01) | 0.50 (0.02) | 0.50 (0.02) | 0.46 (0.02) | 0.46 (0.02) | 0.43 (0.02) |
Loin depth, size of validation population = 1383 | ||||||
 Estimated heritability | 0.55 (0.01) | 0.55 (0.01) | 0.55 (0.03) | 0.55 (0.01) | 0.55 (0.01) | 0.57 (0.03) |
 Validation accuracy | 0.66 (0.02) | 0.65 (0.02) | 0.64 (0.02) | 0.49 (0.02) | 0.49 (0.02) | 0.46 (0.02) |
 Level bias | 0.00 (0.01) | 0.00 (0.01) | 0.00 (0.01) | 0.01 (0.01) | 0.01 (0.01) | 0.00 (0.01) |
 Dispersion bias | 0.50 (0.02) | 0.49 (0.02) | 0.49 (0.02) | 0.48 (0.02) | 0.48 (0.02) | 0.46 (0.02) |