Table 2.
Description and descriptive statistics for animal-level risk factors evaluated for 151 animals (106 cattle and 45 buffalo) in 39 herds in Amazonas State.
| Risk factora | Description | N | % |
|---|---|---|---|
| Specie | Cattle | 106 | 70.20 |
| Buffalo | 45 | 29.8 | |
| Herd size | Small | 73 | 48.34 |
| Medium | 43 | 28.48 | |
| Large | 35 | 23.18 | |
| Herd age | ≤12 months | 0 | 0 |
| 13–24 months age | 42 | 27.81 | |
| 24–36 months age | 54 | 35.76 | |
| ≥36 months | 55 | 36.42 | |
| Cattle and buffalo | No | 125 | 82.78 |
| Yes | 26 | 17.22 | |
| Farming system | Confined | 0 | 0 |
| Semi-confined | 79 | 52.32 | |
| Extensive | 72 | 47.68 | |
| Purpose | Beef | 47 | 31.13 |
| Dairy | 29 | 19.21 | |
| Mix | 75 | 49.67 | |
| Habitat | Floodplains | 71 | 47.02 |
| Mainland | 80 | 52.98 | |
| History | No | 129 | 85.43 |
| Yes | 22 | 14.57 | |
| Herd health | No | 46 | 30.46 |
| Yes | 105 | 69.54 |
a
Admitted to the starting multivariable model because it passed screening (p < 0.50).