Lateral migration of Haemonchus contortus larvae on pasture.
D000818:Animals; D005243:Feces / Q000469:parasitology; D006189:Haemonchus / Q000502:physiology*; D007814:Larva; D008124:Locomotion; D006109:Poaceae / Q000469:parasitology; D011891:Rain; D013696:Temperature; D014251:Trichostrongyloidea / Q000502:physiology*