Brocklesby, D.W.Bailey, K.P.2015-07-162015-07-161968Brocklesby, D.W., Bailey, K.P. (1968). A Mild form of East Coast Fever (Theileria Parva Infection) Becoming Virulent on Passage through Cattle. The British Veterinary Journal, 124(6), 236–238. https://doi.org/10.1016/S0007-1935(17)39352-1.0012-8325https://kalroerepository.kalro.org/handle/0/4688A mild strain of Theileria parva isolated from some unknown wild animal became virulent at the tenth passage in cattle; at the eighteenth passage level it was indistinguishable from the standard laboratory strain.enhttp://creativecommons.org/licenses/by/3.0/Journal ContributionEast coast feverAnimal diseasesCattleLaboratory experimentationhttps://doi.org/10.1016/S0007-1935(17)39352-1.