Age group | Cows | Calves 57–180 days | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
Risk factors | Odds ratio | CI, low | CI, up | P value | P.bh | Odds ratio | CI, low | CI, up | P value | P.bh |
Intestinal parasites cows | 0.67 | 0.27 | 1.67 | 0.397 | 0.685 | 1.11 | 0.45 | 2.73 | 0.805 | 0.899 |
Intestinal parasites calves | 0.97 | 0.47 | 1.98 | 0.937 | 0.976 | 1.12 | 0.53 | 2.37 | 0.760 | 0.899 |
Dietary change | 5.00 | 2.06 | 12.11 | 0.001 | 0.007 | 2.84 | 1.10 | 7.35 | 0.030 | 0.289 |
Heat index | 0.95 | 0.91 | 0.99 | 0.046 | 0.323 | 0.98 | 0.93 | 1.02 | 0.423 | 0.899 |
Breed | 1.80 | 0.58 | 5.57 | 0.304 | 0.685 | 2.82 | 1.23 | 6.47 | 0.014 | 0.268 |
Antibiotic treatment: cows | 1.72 | 0.86 | 3.43 | 0.118 | 0.323 | 1.26 | 0.59 | 2.69 | 0.545 | 0.899 |
Other treatment: cows | 1.85 | 0.91 | 3.74 | 0.087 | 0.323 | 1.16 | 0.51 | 2.60 | 0.715 | 0.899 |
GI diseases: cows | 1.60 | 0.54 | 4.68 | 0.390 | 0.685 | 0.86 | 0.18 | 4.18 | 0.862 | 0.909 |
Mastitis | 1.30 | 0.58 | 2.88 | 0.513 | 0.750 | 1.16 | 0.48 | 2.78 | 0.736 | 0.899 |
Other diseases: cow | 3.38 | 0.72 | 15.73 | 0.119 | 0.323 | 0.00 | 0.00 | ∞ | 1.000 | 1.000 |
Antibiotic treatment: calves | 0.64 | 0.19 | 2.11 | 0.468 | 0.741 | 0.56 | 0.12 | 2.64 | 0.472 | 0.899 |
Other treatment: calves | 1.18 | 0.46 | 3.02 | 0.723 | 0.858 | 1.26 | 0.44 | 3.61 | 0.664 | 0.899 |
GI diseases: calves | 0.00 | 0.00 | ∞ | 0.976 | 0.976 | 1.55 | 0.16 | 14.32 | 0.696 | 0.899 |
Other diseases: calves | 1.40 | 0.42 | 4.66 | 0.5764 | 0.782 | 1.33 | 0.35 | 5.06 | 0.669 | 0.899 |
Meteorological season-winter vs | Â | Â | Â | 0.060 | 0.323 | Â | Â | Â | 0.230 | 0.899 |
 Spring | 1.20 | 0.48 | 3.00 | 0.693 | 0.858 | 1.52 | 0.57 | 4.01 | 0.395 | 0.899 |
 Autumn | 0.55 | 0.14 | 2.10 | 0.391 | 0.685 | 0.58 | 0.14 | 2.36 | 0.451 | 0.899 |
 Summer | 0.32 | 0.09 | 1.14 | 0.079 | 0.323 | 0.64 | 0.17 | 2.34 | 0.503 | 0.899 |