A Study on The Role Played By Equine Ticks In Transmitting Protozoal Diseases

The present study was carried out to investigate on the role played by equine ticks in the transmissionof blood parasites to equines. It included an introduc- tion followed by a detailed review of literature; thematerial and me t ho d s and techniques as well as the results and ended with a discussion of the detailed parts of the results. The survey of ticks infesting equines was carried out in various Governerates in Upper and Lower Egyptduring a period of one year from September 1978 till October 1979.Examination of 1006 aninals (donkeys, horses and mules) revealed t.ha t , 95 an.iraa’l s were infested by ticks(9.44 %) of which the rates of infestation among donkeys,horses and nules were, 11.73; 0.63 & 4.3 % respectively. The tick species collected were 90.0 % Rhipice,phc..lustj.l.l.’anieus~6.9 % llyalomIila9:,- m~o.to lieuID”;2..3 % ”BooJ2hilusannulatusand 0.6 % Ornithodorusmo uba t a., It was f’o und thct; the Spring season was the highest season in whichequines were infested by ticks repersenting 68.1 % of total ticks collected. Than it was followed