title: Trichostrongylus axei (Cobbold, 1879) and T. colubriformis (Giles, 1892) Ransom 1911: relationship of larval infectivity to time of patent infections in sheep.
mesh_terms: D000818:Animals; D005243:Feces; D006168:Guinea Pigs; D007814:Larva / Q000472:pathogenicity; D010270:Parasite Egg Count; D011817:Rabbits; D012756:Sheep; D013997:Time Factors; D014251:Trichostrongyloidea / Q000472:pathogenicity*