title: The incidence of strongyle nematodes in sheep viscera received at animal health laboratories in New Zealand. 1. The abomasal parasites Ostertagia spp. and Trichostrongylus axei.
mesh_terms: D000018:Abomasum; D000818:Animals; D009520:New Zealand; D012756:Sheep; D012757:Sheep Diseases / Q000453:epidemiology*; D014252:Trichostrongyloidiasis / Q000453:epidemiology / Q000662:veterinary*