1. Protozoan parasites of domestic animal and of man;Levine,1973
2. Mason FE. Annual Report (1914) Veterinary Service, Ministry of Agric. Vet. Pathol. Report. Gov. Press 44 Cairo, Egypt; 1915.
3. Theileriosis: a comprehensive review;Dolan;Rev Sci Tech Off Int Epizoot,1989
4. Nagwa EG. A survey of sheep piroplasmosis in Khartoum Province (Sudan). M.Sc. Thesis, University of Khartoum, Sudan; 1986.
5. Diseases of livestock in EdDamer Province, River Nile State, Sudan: a two-years retrospective study;El Ghali;Sud J Vet Sci Anim Husb,1995