Table 5. Holstein and Jersey average correlations between estimated genetic effects and phenotypes for milk, fat, and protein yields, productive life (PL), daughter pregnancy rate (DPR), and somatic cell score (SCS) from training data for ten-fold cross-validation for four models.
Breed | Modela | Genetic effect | Milk | Fat | Protein | PL | DPR | SCS |
Holstein | MA | Additive | 0.601 | 0.574 | 0.557 | 0.367 | 0.352 | 0.389 |
MAD | Additive | 0.614 | 0.584 | 0.564 | 0.367 | 0.355 | 0.394 | |
Additive+dominance | 0.662 | 0.636 | 0.617 | 0.417 | 0.363 | 0.419 | ||
MAD2 | Additive | 0.615 | 0.586 | 0.564 | 0.366 | 0.355 | 0.395 | |
Additive+dominance | 0.665 | 0.636 | 0.622 | 0.431 | 0.370 | 0.424 | ||
MAD3 | Additive | 0.589 | 0.556 | 0.538 | – | – | – | |
Additive+dominance | 0.642 | 0.605 | 0.597 | – | – | – | ||
Jersey | MA | Additive | 0.681 | 0.604 | 0.623 | 0.471 | 0.367 | 0.489 |
MAD | Additive | 0.693 | 0.612 | 0.633 | 0.473 | 0.365 | 0.493 | |
Additive+dominance | 0.763 | 0.694 | 0.716 | 0.604 | 0.440 | 0.527 | ||
MAD2 | Additive | 0.694 | 0.612 | 0.635 | 0.473 | 0.367 | 0.493 | |
Additive+dominance | 0.764 | 0.703 | 0.722 | 0.592 | 0.371 | 0.534 | ||
MAD3 | Additive | 0.630 | 0.540 | 0.542 | – | – | – | |
Additive+dominance | 0.743 | 0.660 | 0.672 | – | – | – |
MA = only additive effects included; MAD = additive and dominance (values) effects included; MAD2 = additive and dominance (deviations) effects included; and MAD3 = additive and dominance effects included as well as cows with genotype probabilities derived using genotyped ancestors.