Studies on Haemonchus contortus. I. The influence of previous exposure to Trichostrongylus axei on infestation with H. contortus.
D000818:Animals; D005260:Female; D006188:Haemonchiasis / Q000276:immunology / Q000469:parasitology / Q000662:veterinary*; D006189:Haemonchus / Q000302:isolation & purification; D007109:Immunity; D008297:Male; D012756:Sheep; D012757:Sheep Diseases / Q000276:immunology* / Q000469:parasitology; D014251:Trichostrongyloidea / Q000302:isolation & purification; D014252:Trichostrongyloidiasis / Q000662:veterinary*; D014253:Trichostrongylosis / Q000276:immunology / Q000469:parasitology / Q000662:veterinary