Table 3.
Observations associated with health-related variables
| Item, hd1 | TCD2 | TFFE3 |
|---|---|---|
| Total retreated | 302 | 318 |
| First 90 d | ||
| Total individual treatments | 191 | 237 |
| First BRD4 treatment | 145 | 177 |
| Second BRD treatment | 46 | 60 |
| BRD deaths | 39 | 61 |
| Euthanized for BRD | 3 | 4 |
| d 91 to closeout | ||
| Total individual treatments | 5 | 12 |
| First BRD treatment | 3 | 8 |
| Second BRD treatment | 2 | 4 |
| BRD deaths | 4 | 9 |
| Euthanized for BRD | 0 | 1 |
| Total BRD deaths (d 0 to closeout) | 43 | 70 |
| Final disposition | ||
| BVD-PI5 | 1 | 1 |
| Lame | 1 | – |
| Euthanized other than BRD | – | 1 |
| Death BRD | 40 | 65 |
| Euthanized for BRD | 3 | 5 |
| Slaughter | 455 | 428 |
| Total | 500 | 500 |
Head.
Metaphylaxis with tulathromycin (2.5 mg/kg BW), followed by first BRD treatment with ceftiofur crystalline acid (6.6 mg/kg BW), followed by second BRD treatment with danofloxacin (8 mg/kg BW).
Metaphylaxis with tildipirosin (4 mg/kg BW), followed by first BRD treatment with florfenicol-flunixin meglumine (40 mg/kg BW; 2.2 mg/kg BW), followed by second BRD treatment with enrofloxacin (12.5 mg/kg BW).
Bovine respiratory disease.
Persistent infection with bovine viral diarrhea virus.