hyalomma impeltatum (acari: ixodidae) as a potential vector of malignant theileriosis in sheep in saudi arabia. | little is known about tick-borne diseases in saudi arabia, particularly regarding the prevalence of theileriosis in small ruminants. this survey studied the potential vectors of malignant theileriosis in saudi arabian sheep. blood, lymph node and tick samples were collected from animals being treated or necropsied at the veterinary diagnostic laboratory in jeddah, makkah (western region), and bureida, al-qasim (central region). blood and lymph node smears were prepared and examined for theileria ... | 2001 | 11511417 |