title: Persistence of Dictyocaulus viviparus larvae on pasture.
mesh_terms: D000818:Animals; D004021:Dictyocaulus / Q000502:physiology*; D005243:Feces / Q000469:parasitology; D008681:Metastrongyloidea / Q000502:physiology*; D006109:Poaceae / Q000469:parasitology