TABLE 2.
Prevalence of anti‐Brucella antibodies in collected farm bulk milk
| Cattle production system and study districts | Farm bulk milk samples (positive samples by i‐ELISA) | Anti‐Brucella antibodies sero‐prevalence (proportion, %) | Anti‐Brucella antibodies sero‐prevalence (proportion, %); 95% confidence interval (CI) |
|---|---|---|---|
| Zero grazing | |||
| Nyanza | 66 (3) | 4.5 | |
| Gicumbi | 66 (4) | 6.1 | |
| Rwamagana | 66 (8) | 12.1 | |
| Total/zero grazing | 198 (15) | 7.6 | 7.6 (4.3–12.2) |
| Open grazing | |||
| Nyagatare | 66 (34) | 51.5 | |
| Nyabihu | 66 (16) | 24.2 | |
| Total/open grazing | 132 (50) | 37.9 | 37.9 (29.6–46.7) |
| TOTAL | 330 (65) | 19.7 | 19.7 (15.5–24.4) |