Trichostrongylus vitrinus in sheep. I. The location of nematodes during parasitic development and associated pathological changes in the small intestine.
D000818:Animals; D007421:Intestine, Small / Q000469:parasitology / Q000473:pathology*; D012756:Sheep; D012757:Sheep Diseases / Q000469:parasitology* / Q000473:pathology; D014252:Trichostrongyloidiasis / Q000662:veterinary*; D014253:Trichostrongylosis / Q000469:parasitology / Q000473:pathology / Q000662:veterinary*