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.

From: The occurrence and molecular identification of Thelazia spp. in European bison (Bison bonasus) 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

  1. aMedian and range.