Table 4.
Outcome | Vaccine group (n = 935) |
P | |
---|---|---|---|
A (n = 468) | B (n = 467) | ||
Calves treated for BRD with | |||
Antibiotics (%) | 15 (3.2) | 23 (4.9) | 0.23 |
Non-steroidal anti-inflammatories (%) | 12 (2.6) | 17 (3.6) | 0.34 |
Steroidal anti-inflammatories (%) | 1 (0.2) | 2 (0.4) | 0.50 |
Mortalities (%) | 1 (0.2) | 5 (1.1) | 0.11 |
Time between vaccination and occurrence of BRD in days (mean ± SD) | 33 ± 20 | 28 ± 22 | 0.45 |
BRD, Bovine respiratory disease; SD, standard deviation.