title: Investigations of 'transfer factor' activity in immunity to Ostertagia circumcincta and Trichostrongylus colubriformis infections in sheep.
mesh_terms: D000818:Animals; D008297:Male; D010029:Ostertagiasis / Q000276:immunology / Q000662:veterinary; D012756:Sheep; D012757:Sheep Diseases / Q000276:immunology*; D014165:Transfer Factor / Q000276:immunology*; D014252:Trichostrongyloidiasis / Q000276:immunology / Q000662:veterinary*
chemical_list: D014165:Transfer Factor