Table 2.
Descriptive statistics for animal health and production factors of feedlot steers affected by bovine respiratory disease
| Variable | N | Minimum | Mean | Maximum | SD |
|---|---|---|---|---|---|
| In-weight, kg/animal | 137 | 294.0 | 422.5 | 554.0 | 52.02 |
| DOF at first BRD pull | 137 | 2 | 21 | 42 | 9.2 |
| Days first BRD pull to death | 16 | 3 | 27 | 77 | 23.4 |
| ADG to first BRD pull, kg/animal/day | 137 | −10.0 | −0.1 | 3.5 | 2.13 |
| Weight at first BRD pull, kg/animal | 137 | 300.0 | 434.5 | 626.0 | 58.51 |
| Overall visual BRD score, 0 to 21 | 137 | 1 | 9 | 18 | 3.2 |
| Rectal temperature, oC | 137 | 38.0 | 40.0 | 41.8 | 0.74 |
| CALA score, 1 to 3 | 137 | 1 | 2 | 3 | 0.45 |
| Number of BRD treatments, 0 to 5 | 137 | 1 | 2 | 5 | 1.55 |