Table 3 Descriptive data about the individual stock bulls according to the herd of origin (homebred or purchased), region, vasectomy, vaccine status, BVD virus status and BoHV-1 serological status
Number of participating bulls | |
|---|---|
Herd of origin | |
Homebred | 286 |
Purchased | 243 |
Vasectomy | |
Vasectomized | 55 |
No Vasectomized | 474 |
Region | |
Low dairy density (1) | 172 |
High dairy density (2) | 354 |
Vaccine IBR | |
Yes | 454 |
No | 75 |
BVD virus status | |
Positive | 2 |
Negative | 527 |
IBR sero status | |
Positive | 87 |
Negative | 434 |