Table 1 Prevalence (percentage of infected bison) and intensity of infection (number of parasites in a single bison) with nematodes of the genus Thelazia in European bison in the Bieszczady Mountains.
Parasite | Overall | Right eye | Left eye | ||||
|---|---|---|---|---|---|---|---|
Number of infected bison | Prevalence (CI 95%) | Intensity of infection | Number of infected bison | Intensity of infection | Number of infected bison | Intensity of infection | |
Thelazia spp. | 11 | 61 (39–80) | 3 (1–16)a | 9 | 2 (1–7)a | 8 | 3 (1–9)a |
T. skrjabini | 10 | 56 (34–75) | 2 (1–16)a | 8 | 1 (1–7)a | 7 | 3 (1–9)a |
T. gulosa | 4 | 22 (9–45) | 2 (1–3)a | 2 | 2, 3 | 3 | 1, 1, 1 |