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 heritabilitye | 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 accuracyf | 0.51 (0.02) | 0.51 (0.02) | 0.50 (0.02) | 0.47 (0.02) | 0.47 (0.02) | 0.44 (0.02) |
 Level biasg | − 0.09 (0.02) | − 0.15 (0.02) | − 0.01 (0.02) | − 0.11(0.02) | − 0.11(0.02) | − 0.02 (0.02) |
 Dispersion biash | 0.48 (0.02) | 0.49 (0.02) | 0.48 (0.02) | 0.48 (0.02) | 0.48 (0.02) | 0.46 (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 | 0.57 (0.02) | 0.56 (0.02) | 0.55 (0.02) | 0.52 (0.02) | 0.52 (0.02) | 0.48 (0.02) |
 Level bias | − 0.10 (0.02) | − 0.17 (0.02) | − 0.06 (0.02) | − 0.14 (0.02) | − 0.14 (0.02) | − 0.08 (0.02) |
 Dispersion bias | 0.48 (0.02) | 0.49 (0.02) | 0.50 (0.02) | 0.47 (0.02) | 0.47 (0.02) | 0.49 (0.02) |
Backfat 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 | 0.69 (0.01) | 0.68 (0.01) | 0.67 (0.01) | 0.63 (0.02) | 0.63 (0.02) | 0.56 (0.02) |
 Level bias | − 0.02 (0.01) | − 0.03 (0.01) | − 0.03 (0.01) | − 0.05 (0.01) | − 0.05 (0.01) | − 0.09 (0.01) |
 Dispersion bias | 0.48 (0.01) | 0.47 (0.01) | 0.47 (0.01) | 0.44 (0.01) | 0.44 (0.01) | 0.42 (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 | 0.68 (0.01) | 0.67 (0.01) | 0.65 (0.02) | 0.62 (0.02) | 0.62 (0.02) | 0.54 (0.02) |
 Level bias | 0.01 (0.01) | 0.00 (0.01) | 0.00 (0.01) | 0.00 (0.01) | 0.00 (0.01) | − 0.01 (0.01) |
 Dispersion bias | 0.50 (0.01) | 0.50 (0.01) | 0.48 (0.02) | 0.48 (0.02) | 0.48 (0.02) | 0.45 (0.02) |