| # | Species | Number of samples |
|---|---|---|
| 1 | Human (Homo sapiens) | 251 |
| 2 | Rat (Rattus norvegicus) | 177 |
| 3 | House mouse (Mus musculus) | 144 |
| 4 | Pike-perch (Sander lucioperca) | 72 |
| 5 | Far Eastern frog (Rana dybowskii) | 36 |
| 6 | Crab-eating macaque (Macaca fascicularis) | 36 |
| 7 | Siberian wood frog (Rana amurensis) | 24 |
| 8 | Siberian roach (Rutilus rutilus lacustris) | 23 |
| 9 | Moor frog (Rana arvalis) | 20 |
| 10 | Siberian salamander (Salamandrella keyserlingii) | 20 |