Variable | Level | Calves (n) | ß | SD | HR | HR (95% CI) | P-value |
---|---|---|---|---|---|---|---|
Calf gender | Male (ref) | 3202 | 0 | - | Â | Â | Â |
Female | 317 | −0.8 | 0.4 | 0.5 | 0.2-0.9 | 0.04 | |
Breed | Â | Â | Â | Â | Â | Â | 0.05 |
 | Black HF (ref.) | 1296 | 0 | - |  |  |  |
Red HF | 124 | 0.8 | 0.3 | 2.1 | 1.1-4.2 | 0.03 | |
Crossbreds | 884 | −0.2 | 0.3 | 0.8 | 0.5-1.4 | 0.50 | |
BB | 1215 | −0.3 | 0.3 | 0.8 | 0.4-1.4 | 0.38 | |
BRD | No (ref.) | 2997 | 0 | - | Â | Â | Â |
Yes | 522 | 1.7 | 0.3 | 5.5 | 3.0-10.2 | <0.001 | |
Diarrhea | No (ref.) | 3333 | 0 | - | Â | Â | Â |
Yes | 186 | 2.4 | 0.4 | 11.0 | 5.4-22.6 | <0.001 | |
Arthritis | No (ref.) | 3467 | 0 | - | Â | Â | Â |
Yes | 52 | 1.7 | 0.9 | 3.9 | 1.6-5.3 | 0.05 | |
Otitis | No (ref.) | 3463 | 0 | - | Â | Â | Â |
Yes | 56 | 1.9 | 0.9 | 7.0 | 1.3-38.5 | 0.03 | |
Herd effect a | Â | Â | 0.3 | 0.2 | Â | Â | <0.001 |