title: Immunity of sheep to homologous challenge with dog-borne Sarcocystis species following varying levels of prior exposure.
mesh_terms: D000818:Animals; D001831:Body Temperature; D004283:Dog Diseases / Q000276:immunology*; D004285:Dogs; D007113:Immunity, Innate; D012523:Sarcocystosis / Q000276:immunology / Q000503:physiopathology / Q000662:veterinary*; D012756:Sheep / Q000276:immunology*; D012757:Sheep Diseases / Q000276:immunology*; D013045:Species Specificity