Table 7.
Number of QTL identified per breed and phenotype, along with the corresponding number of significant SNPs and SVs
| Type of trait | MON | NMD | HOL | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| #QTL | #SNP | #SV | #QTL | #SNP | #SV | #QTL | #SNP | #SV | ||
| Fertility | Heifer conception rate | 0 | – | – | 1 | 5 | – | 3 | 4 | – |
| Cow conception rate | 1 | 1 | – | 0 | – | – | 2 | 5 | – | |
| Calving–1st AI Interval | 2 | 8 | – | 0 | – | – | 8 | 29 | – | |
| Heifer non–return rate | 0 | – | – | 0 | – | – | 1 | 6 | – | |
| Cow non–return rate | 0 | – | – | 0 | – | – | 1 | 1 | – | |
| Milk production | Milk yield (kg) | 3 | 17 | – | 4 | 9 | – | 14 | 94 | – |
| Fat content (%) | 2 | 14 | – | 3 | 5 | – | 21 | 133 | – | |
| Protein content (%) | 2 | 2 | – | 4 | 8 | – | 5 | 8 | – | |
| Fat yield (kg) | 18 | 93 | – | 17 | 144 | – | 48 | 270 | – | |
| Protein yield (kg) | 16 | 70 | – | 19 | 120 | – | 42 | 213 | – | |
| Udder health | Somatic cell score | 0 | – | – | 0 | – | – | 3 | 5 | – |
| Clinical mastitis | 1 | 14 | – | 0 | – | – | 0 | – | – | |
| Morphology | Height at sacrum | 4 | 31 | – | 13 | 68 | – | 10 | 28 | 1 |
SNP Single Nucleotide Polymorphism; SV Structural Variant; MON Montbéliarde; NMD Normande; HOL Holstein