Table 2.
Examples of nematode parasites that parasitize different regions of the intestinal tract in domestic animals, humans and rodents
| Host | Species | ||
| Stomach | Small intestine | Large intestine | |
| Sheep | Teladorsagia circumcincta Haemonchus contortus Trichostrongylus axei |
Trichostrongylus colubriformis Nematodirus battus |
Trichuris ovis |
| Cattle | Ostertagia ostertagi Trichostrongylus axei |
Cooperia spp. Nematodirus spathiger |
Oesophagostomum radiatum Trichuris globulosa |
| Pigs | Hyostrongylus rubidus | Ascaris suum | Oesophagostomum spp. |
| Humans | Ancylostoma duodenale Necator americanus Ascaris lumbricoides |
Trichuris trichiura Enterobius vermicularis |
|
| Rodents | Protospirura muricola | Heligmosomoides bakeri Nippostrongylus brasiliensis Trichinella spiralis |
Trichuris muris |