Table 2.
Detection of Mycobacterium avium ssp. paratuberculosis (MAP) in environmental faecal samples in the six cow-calf herds certified as ‘none suspecting of having paratuberculosis’ and the 14 MAP-positive beef cow-calf herds with respect to the location of sampling
Location of sampling | MAP unsuspicious herds | MAP-positive herds | |||||
---|---|---|---|---|---|---|---|
Samples (n) | Herds (n) | MAP positive (n) | Samples (n) | Herds (n) | MAP positive (n) | MAP positive (%) | |
Calving pen | 5 | 3 | 0 | 0·0 | |||
Pasture/windbreak | 2 | 1 | 0 | 2 | 2 | 0 | 0·0 |
Areas of high animal traffic (feeding alleyways, watering place, yards) | 12 | 5 | 0 | 36 | 10 | 9 | 25·0 |
Group pens (embedding) | 7 | 4 | 0 | 27 | 7 | 1 | 3·7 |
Sick cow pens | 2 | 2 | 2 | 100·0 | |||
Dunghill | 2 | 2 | 1 | 50·0 | |||
Boot soles | 2 | 2 | 0 | 4 | 3 | 3 | 75·0 |
Cattle crush's floor, alley and forcing pen | 7 | 1 | 0 | 8 | 2 | 4 | 50·0 |
Winter camp | 1 | 1 | 1 | 100·0 |