Table 2.
Characteristics of the infection of cyprinid fish by O. felineus larvae (middle Ob River basin, 2016–2018).
| Species | Infection of fish |
Parasitic load |
||||||
|---|---|---|---|---|---|---|---|---|
| PI ± mPI, % | II, individuals, M ± s.e./(min–max) | Index of abundance, individuals | Examined in total | Number of infected | Uninfected/infected, tons | Total number of metacercariae, 106 individuals | Number metacercariae, 103/ton M ± s.e. | |
| Ide Leuciscus idus | 100 | 50.5 ± 5.3/(2–190) | 50.5 ± 5.28 | 75 | 75 | 0/483.1 | 65.78 | 136.16 ± 16.94 |
| Common dace L. leuciscus | 91.1 ± 1.3 | 13.7 ± 1.2/(1−302) | 12.5 ± 1.17 | 463 | 422 | 13.6/139.5 | 52.38 | 342.11 ± 55.19 |
| Common bleak Alburnus alburnus | 2.4 ± 0.9 | 1 | 0.02 ± 0.01 | 255 | 6 | – | – | 1.29 ± 0.54 |
| Bream Abramis brama | 2.1 ± 1.2 | 1.3 ± 0.3/(1–2) | 0.03 ± 0.02 | 145 | 3 | 492.6/10.6 | 0.14 | 0.29 ± 0.17 |
| Roach Rutilus rutilus | 1.8 ± 0.9 | 3.5 ± 1.3/(1–7) | 0.06 ± 0.04 | 216 | 4 | 510.9/9.4 | 0.49 | 0.93 ± 0.55 |