Table 3 Sites of sponge collection and TB history in European bison (Bison bonasus).
Site | Type of herd | TB history | Antibodies against P22 (MTC) in European bison21 | MTC DNA (IS6110 and IS1081 targets) detection in sponge samples (percent positive samples (95% CI) (number of positive/sample size) |
|---|---|---|---|---|
Bałtów | Captive | In spring 2024 in two animals positive result in PCR swab one animal positive in IGRA (unpublished data). | 0% (0/2) | 0% (0/9) |
Białowieża Forest | Free-living | TB never reported. | 6.9% (95% CI: 2.78–5.13) | 7.14% (95% CI: 3.7–31.71) (1/14) |
Białowieża Forest | Captive | TB never reported. | 7.9% (95% CI: 2.19–20.79) | 0 (0/2) |
Bieszczady Mountains | Free-living | Two TB outbreaks in European bison: 1997–2001 and 2010–2013. TB confirmed also in other species. Last TB case in wild boar (not published) in 2024. | 5.9% (95% CI: 1.63–16.36) | 29.4% (95% CI: 12.38–54.41) (5/17) |
Bieszczady, Muczne | Captive | TB has never been reported in a captive herd, but it has been reported in wildlife species in the surrounding area. | 12.5% (95% CI: 2.27–37.16) | 50% (95% CI: 24.27–75.73) (6/12) |
Gołuchów | Captive | TB never reported. | 0% | 0% (0/3) |
Knyszyńska Forest | Free-living | TB has been never been reported. However, positive results in IGRA test have been detected in last five years (unpublish data) | 10.8% (95% CI: 3.78–25.38) | 21.4% (95% CI: 6.12- 50.00) (3/14) |
Pszczyna | Captive | TB never reported. | 5.3% (95% CI: 0.95–17.99) | 14.3% (95% CI: 0.74–55.42) (1/7) |
Smardzewice | Captive | TB in herd between 2013–2022. In December 2022 the last animal from herd was culled. Sampling was conducted due to plans for introducing European bison again to Smardzewice. | Not included. | 16.7% (95% CI: 0.86–58.86) (1/6) |
