title: Cross-reaction among four isolates of Theileria annulata from India.
abstract: A close identity in virulence and cross-protection of four isolates of Theileria annulata was observed when infection was produced in naive, crossbred (Bos taurus male X B. indicus female) male calves. The evidence that strains of T. annulata in India differ in virulence and immunogenicity is equivocal at present.
mesh_terms: D000818:Animals; D000953:Antigens, Protozoan / Q000276:immunology; D016782:Apicomplexa / Q000276:immunology* / Q000472:pathogenicity; D002417:Cattle; D003429:Cross Reactions; D007194:India; D008297:Male; D013801:Theileriasis / Q000276:immunology / Q000469:parasitology*; D013987:Ticks; D014774:Virulence
chemical_list: D000953:Antigens, Protozoan