Farms | ||||
---|---|---|---|---|
A | B | C | Total | |
Herd size | 330 | 105 | 145 | 580 |
Fecal results | ||||
Negative | 3905 | 1366 | 1076 | 6347 |
Positive | 71 | 16 | 56 | 143 |
% positive | 1.79% | 1.16% | 4.95% | 2.20% |
Tissue results | ||||
Negative | 1274 | 911 | 358 | 1592 |
Positive | 318 | 76 | 155 | 318 |
% positive | 20.0% | 7.7% | 30.2% | 16.7% |
Serological results | ||||
Negative | 7531 | 2509 | 2807 | 12847 |
Positive | 105 | 17 | 55 | 177 |
% positive | 1.38% | 0.67% | 1.92% | 1.36% |