Distribution of Ostertagia ostertagi infective larvae on pasture herbage.
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000209:etiology; D005243:Feces; D006813:Humidity; D007814:Larva; D008145:Louisiana; D006109:Poaceae; D012621:Seasons; D012987:Soil; D013696:Temperature; D014251:Trichostrongyloidea; D014252:Trichostrongyloidiasis / Q000209:etiology / Q000662:veterinary; D014887:Weather
D012987:Soil