Table 1 Description of the database
No. of cows | 72,946 | No. of records | 638,063 |
No. of sire | 2584 | No. of herd | 724 |
No. of founders | 51,612 | No. of non-founders | 72,949 |
No. of dam | 61,867 | Average No. progeny/sire | 28.22 |
Year of calving | 2002–2011 | Average No. progeny/dam | 1.17 |
Age at calving: | Â | Milk yield: | Â |
Average (month) | 24.35 | Average (kg) | 29.12 |
aSD (month) | 1.38 | SD (kg) | 7.07 |
Maximum (month) | 32 | Maximum (kg) | 75.6 |
Minimum (month) | 18 | Minimum (kg) | 2 |