title: Effect of age of Boophilus microplus larvae (Acari: Ixodidae) on attachment to cattle.
mesh_terms: D000375:Aging; D000818:Animals; D002417:Cattle / Q000469:parasitology*; D005247:Feeding Behavior; D007814:Larva / Q000502:physiology; D013987:Ticks / Q000502:physiology*