Table 1 Definition of traits (category and origin of performance, heritability) and number of phenotypes
Trait | Category | Origin | Heritability | Number of animal with phenotypes and genotype |
|---|---|---|---|---|
Calving difficulty score (CS) | Calving | Station | 0.44 | 1,250 |
Pelvic opening (PO) | Calving | Station | 0.37 | 1,239 |
Maternal effect on calving difficulty score (CSm) | Calving | Farm | 0.04 | 2,284 |
Milk yield (MY) | Suckling | Station | 0.35 | 1,151 |
Udder swelling score (US) | Suckling | Station | 0.48 | 1,250 |
Maternal effect on weaning weight (WWm) | Suckling | Farm | 0.10 | 1,431 |