Abstract
In Sudan, donkeys are important animals, providing transportation and income possibilities. However, the prevalence of parasites in donkeys in Sudan has not been thoroughly characterized. Accordingly, in this study, we aimed to detect selected hemoprotozoan parasites in donkeys in West Omdurman, Khartoum State, Sudan, wherein people depend mainly on donkeys for their daily life. In total, 198 blood samples collected from donkeys in a local market in West Omdurman, were screened using serological and molecular diagnostic techniques. Serologically, 52 (26.3%), 56 (28.3%), and 19 (9.6%) samples were positive for trypanosomosis using Card Agglutination Test for Trypanosoma evansi, Trypanosoma evansi crude antigen -based enzyme-linked immuno sorbent assay (ELISA) and recombinant Trypanosoma evansi GM6-4r-based ELISA, respectively. ELISA for equine piroplasmosis revealed 156 (78.8%) and 10 (5.1%)Theileria equi- and Babesia caballi-positive samples, respectively. PCR detected Trypanosoma congolense, subgenus Trypanozoon, Theileria equi, and Babesia caballi in 18 (9.1%), 77 (38.9%), 18 (9.1%), and 8 (4%) samples, respectively. Of the 77 Trypanozoon-positive samples, 35 (45.5%) were confirmed as Trypanosoma evansi type A. To our knowledge, this is the first report of detection of Trypanosoma congolense in donkeys outside of tsetse-infested areas in Sudan.
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