Table 3 Characteristics of the paragon and diversity datasets for the reaction norm model
Breed | Holstein | Normande | |||
|---|---|---|---|---|---|
Dataset | Paragons | Diversity | Paragons | Diversity | |
Number of herds | 1,690 | 539 | 796 | 472 | |
Data | Number of records | 246,740 | 75,173 | 125,465 | 70,105 |
Pedigree | 412,732 | 133,310 | 197,039 | 112,276 | |
PC1 score: herd management specialisation | -0.13 (0.7) | -0.12 (1.7) | -0.10 (0.6) | -0.07 (1.0) | |
Environment | milk yield vs protein and fat contents | ||||
descriptors | PC2 score: herd management intensity | 0.03 (0.8) | 0.08 (1.5) | 0.12 (0.7) | 0.01 (1.2) |
PC3 score: herd management seasonality | 0.07 (0.5) | 0.10 (0.8) | -0.16 (0.5) | -0.12 (0.8) | |
Milk yield (kg) | 9,775 (1,577) | 9,777 (1,863) | 7,397 (1241) | 7,294 (1,321) | |
Fat yield (kg) | 387 (62) | 386 (73) | 318 (55) | 314 (59) | |
Phenotypes | Protein yield (kg) | 313 (51) | 313 (60) | 257 (44) | 253 (48) |
Fat content (%) | 3.99 (0.43) | 3.98 (0.45) | 4.31 (0.36) | 4.32 (0.37) | |
Protein content (%) | 3.21 (0.20) | 3.20 (0.20) | 3.48 (0.20) | 3.46 (0.21) | |