Farm ID | Dairy/Beef | Vaccinating over study period? | Suspicion of active infection following initial screen?^ | Was whole herd testing performed? | PIs present at WHT | Total number of PIs identified | Time between initial herd screen and WHT (Months) | Age range of random sample (Months) | Herd size at recruitment |
---|---|---|---|---|---|---|---|---|---|
1 | Dairy | Y* | Y | Y | 2 | 3 | 11 | 9–12 | 349 |
2 | Dairy | N | Y | Y | 0 | 12 | 7 | 9–12 | 542 |
3 | Dairy | Y* | N | Y | 0 | 0 | 10 | 9–12 | 450 |
5 | Dairy | Y* | Y | Y | 2 | 2 | 7 | 9–12 | 527 |
6 | Beef | Y* | N | N | - | 0 | - | - | 61 |
7 | Dairy | Y* | Y | Y | 0 | 0 | 9 | 9–12 | 381 |
8 | Dairy | Y* | Y | Y | 0 | 0 | 3 | 11.5–13 | 381 |
11 | Dairy | Y* | N | N | - | 0 | - | - | 217 |
13 | Dairy | N | N | N | - | 0 | - | - | 201 |
15 | Dairy | Y* | N | Y | 1 | 1 | 9 | 7.7–12 | 633 |
17 | Beef | Y* | N | N | - | 0 | - | - | 180 |
18 | Dairy | Y* | Y | Y | 4 | 6 | 9 | 10–12.6 | 307 |
19 | Dairy | N | Y | Y | 1 | 1 | 5 | 9–12 | 214 |
20 | Dairy | Y* | Y | Y | 3 | 3 | 4 | 9–12 | 309 |
21 | Beef | N | N | N | - | 0 | - | - | 54 |
24 | Dairy | N | N | N | - | 0 | - | - | 286 |
25 | Dairy | Y* | N | Y | 0 | 0 | 9 | 9.3–13.5 | 300 |
26 | Dairy | Y* | Y | Y | 2 | 3 | 5 | 8.5–12.3 | 170 |
27 | Dairy | Y* | N | Y | 1 | 1 | 11 | 9–12 | 192 |
28 | Dairy | Y+ | Y | Y | 0 | 0 | 12 | 9–12 | 335 |
29 | Dairy | Y+ | Y | Y | 0 | 0 | 12 | 8–11 | 412 |
30 | Dairy | Y+ | N | N | - | 0 | - | - | 360 |
37 | Dairy | Y+ | Y | Y | 3 | 5 | 2 | 10.1–12.3 | 402 |
38 | Dairy | Y+ | Y | Y | 2 | 2 | 3 | 8.3–10.9 | 542 |
39 | Dairy | N | N | Y | 0 | 0 | 19 | 9–12 | 143 |
40 | Dairy | Y* | Y | Y | 5 | 9 | 1 | 9–12 | 230 |
 |  |  |  | Mean |  |  | 8 |  | 315 |
 |  |  |  | Max |  |  | 19 |  | 633 |
 |  |  |  | Min |  |  | 1 |  | 54 |