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 = 2323 | ||||||
 Estimated heritabilitye | 0.31 (0.01) | 0.32 (0.01) | 0.40 (0.02) | 0.30 (0.01) | 0.30 (0.01) | 0.38 (0.02) |
 Validation accuracyf | 0.35 (0.02) | 0.31 (0.02) | 0.29 (0.02) | 0.28 (0.02) | 0.28 (0.02) | 0.23 (0.02) |
 Level biasg | − 0.05 (0.02) | − 0.14 (0.02) | 0.04 (0.02) | 0.03 (0.02) | 0.03 (0.02) | 0.14 (0.02) |
 Dispersion biash | 0.46 (0.03) | 0.43 (0.03) | 0.41 (0.03) | 0.44 (0.03) | 0.44 (0.03) | 0.43 (0.04) |
Average daily gain throughout life, size of validation population = 2405 | ||||||
 Estimated heritability | 0.31 (0.01) | 0.33 (0.01) | 0.43 (0.02) | 0.31 (0.01) | 0.31 (0.01) | 0.44 (0.02) |
 Validation accuracy | 0.46 (0.02) | 0.42 (0.02) | 0.42 (0.02) | 0.38 (0.02) | 0.38 (0.02) | 0.35 (0.02) |
 Level bias | − 0.06 (0.01) | − 0.16 (0.01) | − 0.01 (0.01) | 0.00 (0.01) | 0.00 (0.01) | 0.08 (0.01) |
 Dispersion bias | 0.45 (0.02) | 0.42 (0.02) | 0.42 (0.02) | 0.43 (0.02) | 0.43 (0.02) | 0.43 (0.02) |
Backfat thickness thickness, size of validation population = 2312 | ||||||
 Estimated heritability | 0.51 (0.01) | 0.51 (0.01) | 0.51 (0.02) | 0.51 (0.01) | 0.51 (0.01) | 0.53 (0.02) |
 Validation accuracy | 0.52 (0.01) | 0.50 (0.02) | 0.50 (0.02) | 0.45 (0.02) | 0.45 (0.02) | 0.42 (0.02) |
 Level bias | 0.02 (0.01) | − 0.01 (0.01) | − 0.03 (0.01) | 0.02 (0.01) | 0.02 (0.01) | − 0.01 (0.01) |
 Dispersion bias | 0.43 (0.01) | 0.41 (0.01) | 0.41 (0.01) | 0.42 (0.02) | 0.42 (0.02) | 0.41 (0.02) |
Loin depth, size of validation population = 1164 | ||||||
 Estimated heritability | 0.50 (0.01) | 0.50 (0.01) | 0.55 (0.02) | 0.49 (0.01) | 0.49 (0.01) | 0.53 (0.02) |
 Validation accuracy | 0.62 (0.02) | 0.60 (0.02) | 0.59 (0.02) | 0.55 (0.02) | 0.56 (0.02) | 0.49 (0.02) |
 Level bias | − 0.02 (0.02) | − 0.03 (0.02) | 0.02 (0.02) | − 0.04 (0.02) | − 0.04 (0.02) | 0.03 (0.02) |
 Dispersion bias | 0.54 (0.02) | 0.54 (0.02) | 0.52 (0.02) | 0.53 (0.02) | 0.53 (0.02) | 0.51 (0.03) |