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  • Title: Seroprevalence of tick-borne diseases among cattle in the Sudan.
    Author: Salih DA, Abdel Rahman MB, Mohammed AS, Ahmed R, Kamal S, El Hussein AM.
    Journal: Parasitol Res; 2009 Mar; 104(4):845-50. PubMed ID: 19030878.
    Abstract:
    This study was carried out to determine the prevalence of Theileria annulata, Theileria mutans, Babesia bigemina, and Anaplasma marginale antibodies among cattle in the Sudan. A total of 600 serum samples were collected from indigenous (zebu) and crossbred cattle (zebu x Friesian) of both sex and different age groups. Indirect enzyme-linked immunosorbent assay was used to assess antibodies against tick-borne diseases in apparently healthy cattle. The overall prevalence rates of T. annulata, T. mutans, B. bigemina, and A. marginale antibodies were found to be 30.8%, 6.1%, 10.7%, and 38.9%, respectively. The highest seroprevalence of T. annulata was reported in Atbara and El Damer, Northern Sudan. There were no significant associations for the seroprevalence of all tick-borne diseases reported among different age groups. Although there were no significant differences between the two breeds of cattle examined for T. annulata, T. mutans, and B. bigemina antibodies, there was a significant difference for prevalence of antibodies against A. marginale, with highest percentages of antibodies in indigenous cattle. Six different combinations of mixed infection were detected. This is the first report in which antibodies against A. marginale among cattle in Northern Sudan is reported. The findings imply that antibodies to tick-borne infections are widely distributed in the region. The need for further investigations using more advanced techniques is recommended.
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