Development and survival of Haemonchus contortus on pasture.
D000818:Animals; D003080:Cold Temperature; D005243:Feces / Q000469:parasitology; D005260:Female; D006188:Haemonchiasis / Q000469:parasitology / Q000635:transmission / Q000662:veterinary; D006189:Haemonchus / Q000254:growth & development / Q000302:isolation & purification / Q000502:physiology*; D007087:Illinois; D007814:Larva / Q000254:growth & development / Q000502:physiology; D008124:Locomotion; D010063:Ovum / Q000254:growth & development / Q000502:physiology; D006109:Poaceae; D011891:Rain; D012621:Seasons; D012756:Sheep; D012757:Sheep Diseases / Q000469:parasitology / Q000635:transmission; D012987:Soil; D013696:Temperature; D014251:Trichostrongyloidea / Q000502:physiology*
D012987:Soil