| anaplasma centrale | No | species | bacteria | bacteria | species | 769 | click here |
| anaplasma marginale | No | species | bacteria | bacteria | species | 770 | click here |
| babesia caballi | No | species | eukaryota | invertebrates | species | 5871 | click here |
| dictyocaulus arnfieldi | No | species | eukaryota | invertebrates | species | 928216 | click here |
| equid herpesvirus 1 | No | species | viruses and viroids | viruses | species | 10326 | click here |
| equid herpesvirus 9 | No | species | viruses and viroids | viruses | species | 55744 | click here |
| escherichia coli | No | species | bacteria | bacteria | species | 562 | click here |
| gasterophilus haemorrhoidalis | No | species | eukaryota | invertebrates | species | 170933 | click here |
| gasterophilus inermis | No | species | | | species | | click here |
| gasterophilus meridionalis | No | species | | | species | | click here |
| gasterophilus ternicinctus | No | species | | | species | | click here |
| halicephalobus gingivalis | No | species | eukaryota | invertebrates | species | 114868 | click here |
| paracooperia nodulosa | No | species | | | species | | click here |
| parascaris equorum | No | species | eukaryota | invertebrates | species | 6256 | click here |
| schistosoma bovis | No | species | eukaryota | invertebrates | species | 6184 | click here |
| schistosoma margrebowiei | No | species | eukaryota | invertebrates | species | 48269 | click here |
| schistosoma mattheei | No | species | eukaryota | invertebrates | species | 31246 | click here |
| theileria equi | No | species | eukaryota | invertebrates | species | 5872 | click here |
| trichuris discolor | No | species | eukaryota | invertebrates | species | 483153 | click here |
| triodontophorus serratus | No | species | eukaryota | invertebrates | species | 54002 | click here |
| trypanosoma congolense | No | species | eukaryota | invertebrates | species | 5692 | click here |
| uncultured bacterium | No | no rank | bacteria | environmental samples | species | 77133 | click here |
| uncultured neocallimastigales | No | no rank | eukaryota | environmental samples | species | 325898 | click here |