title: Host-induced effects on the size and body proportions of Ostertagia ostertagi (Stiles, 1892) Ransom, 1907, a nematode parasite of cattle.
mesh_terms: D000018:Abomasum / Q000473:pathology; D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000473:pathology*; D004463:Ecology; D007814:Larva; D013997:Time Factors; D014251:Trichostrongyloidea / Q000033:anatomy & histology*; D014252:Trichostrongyloidiasis / Q000473:pathology / Q000662:veterinary*