The effect of density on the survival of Boophilus microplus on previously unexposed cattle.
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000469:parasitology*; D005260:Female; D007814:Larva; D008297:Male; D011156:Population Density; D013984:Tick Infestations / Q000469:parasitology / Q000662:veterinary*; D013987:Ticks / Q000502:physiology*