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. 2008 Oct;103(5):1145-50.
doi: 10.1007/s00436-008-1108-z. Epub 2008 Jul 10.

Diagnosis of Babesia caballi and Theileria equi infections in horses in Sudan using ELISA and PCR

B O M Salim  1 , S M Hassan, M A Bakheit, A Alhassan, I Igarashi, P Karanis, M B Abdelrahman
Affiliations

Diagnosis of Babesia caballi and Theileria equi infections in horses in Sudan using ELISA and PCR

B O M Salim et al. Parasitol Res. 2008 Oct.

Abstract

The purpose of this study was to estimate the prevalence of equine piroplasmosis in Sudan. The presence of antibodies against Babesia caballi and Theileria equi was determined in serum samples obtained from 158 horses raised in different locations in Sudan by enzyme-linked immunosorbent assay (ELISA). The B. caballi 48-kDa and the T. equi EMA-2 purified recombinant proteins were used as antigens in the ELISA test. Results showed that seven (4.4%) were positive for B. caballi and 80 (63.5%) were positive for T. equi. Polymerase chain reaction (PCR) assays have been applied using primers targeting the B. caballi 48-kDa merozoite antigen, the T. equi SSUrRNA and the T. equi EMA-1 genes. PCR performed on 131 blood spots in filter paper revealed that 33 (25.2%) samples were positive for T. equi but no positives were found for B. caballi. It is concluded that equine piroplasmosis is endemic in the country. This is the first study on serological and molecular epidemiological diagnosis on equine piroplasmosis in Sudan.

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