Table 2.
Summary of associations between animal health variables and enzyme linked immunosorbent assay (ELISA) antibody to Neospora caninum status adjusted for clustering by lot within feedlot
| Cumulative prevalence | ELISA antibody to N. caninum status | |||
|---|---|---|---|---|
| Animal health variable | Total | Positive | Negative | Odds ratio (95% CI) |
| Initial sick on arrival treatment | ||||
| Yes | 97 (4.9%) | 10 | 87 | 1.75 (95% CI, 0.85 to 3.62) |
| No | 1879 | 118 | 1761 | P = 0.13 |
| Initial undifferentiated fever treatment | ||||
| Yes | 436 (22.1%) | 22 | 414 | 0.70 (95% CI, 0.41 to 1.22) |
| No | 1540 | 106 | 1434 | P = 0.21 |
| Initial no fever treatment | ||||
| Yes | 245 (12.4%) | 22 | 223 | 1.49 (95% CI, 0.95 to 2.38) |
| No | 1731 | 106 | 1625 | P = 0.83 |
| Initial treatment for gastrointestinal disease | ||||
| Yes | 7 (0.4%) | 0 | 7 | P = 0.99 |
| No | 1969 | 128 | 1841 | |
| Overall chronicity | ||||
| Yes | 55 (2.8%) | 5 | 50 | 1.39 (95% CI, 0.60 to 3.26) |
| No | 1921 | 123 | 1798 | P = 0.45 |
| Overall mortality | ||||
| Yes | 53 (2.7%) | 1 | 52 | 0.27 (95% CI, 0.04 to 1.92) |
| No | 1923 | 127 | 1796 | P = 0.20 |