title: The effect of different levels of larval intake on the output of eggs by Ostertagia circumcincta in lambs.
mesh_terms: D000818:Animals; D007814:Larva; D010029:Ostertagiasis / Q000469:parasitology / Q000662:veterinary*; D012756:Sheep; D012757:Sheep Diseases / Q000469:parasitology*; D014251:Trichostrongyloidea; D014252:Trichostrongyloidiasis / Q000662:veterinary*