Table 2 Number and percentage of seropositive BHV-1 herds and cattle by visit type for Dataset A (26,918 samples, 14,243 cattle, 107 herds), and herd BHV-1 antibody seroprevalence for positive herds only.
Visit | Positive herds | Positive cattle | Herd seroprevalence for positive herds | ||||
|---|---|---|---|---|---|---|---|
Number | % | Number | % | Median | Mean | Prevalence range | |
1st routine visit | 85 | 79.4 | 4,228 | 46.3 | 40.0 (51.7) | 42.8 (50.9) | 0.9 – 95.9 (2.1 – 95.9) |
2nd routine visit | 74 | 77.1 | 3,918 | 48.4 | 45.9 (60.2) | 43.1 (52.7) | 2.7 – 95.9 (2.9 – 95.9) |
3rd routine visit/3rd routine and whole herd visit | 74 | 77.9 | 4,495 | 50.0 | 40.4 (59.9) | 43.6 (55.1) | 2.4 – 99.2 (2.4 – 99.2) |
Other non-routine visits | 5 | 38.5 | 342 | 49.2 | 86.6 (73.2) | 77.8 (73.4) | 43.8 – 100.0 (43.8 – 100.0) |
Combined | 89 | 83.0 | 7,250 | 51.0 | 74.0 (74.0) | 74.0 (74.0) | 73.1 – 75.0 (73.1 – 75.0) |