Ovine theileriosis is an important tick-borne disease of sheep in the tropical and subtropical regions of the world, caused by Theileria hirci (T. lestoquardi). The disease is economically important in small ruminants, particularly in sheep, causing clinical illness and mortalities in Middle East, west Asia, Indian subcontinent, parts of Africa and Mediterranean Basin. The present study was done to determine the infection rate of theileriosis in Lohi sheep and to investigate an economical and effective remedy for this protozoal problem. Another object was to study the effect of this disease...