A study of Haemonchus in cattle and sheep.
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases; D006189:Haemonchus; D012756:Sheep; D012757:Sheep Diseases; D034561:Sheep, Domestic; D014251:Trichostrongyloidea
CATTLE/diseases; SHEEP/diseases; TRICHOSTRONGYLOIDEA