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  • Title: Serological evidence of Coxiella burnetii, Leptospira interrogans Hardjo, Neospora caninum and bovine pestivirus infections in a dairy cattle herd from the United Arab Emirates.
    Author: Barigye R, Hassan NA, AlQubaisi DMN, Abdalla-Alfaki IM.
    Journal: Vet Ital; 2020 Dec 01; 56(3):163-168. PubMed ID: 33543911.
    Abstract:
    The serostatus of five abortigenic agents and the association between abortion history and Coxiella burnetii seropositivity were assessed in 350 dairy cattle from Al Ain, UAE. The bovine sera were ELISA-screened for C. burnetii, Leptospira Hardjo, Neospora caninum, and Brucella abortus antibodies, plus bovine pestivirus (BVDV) antigen. The serology data were collated and the level of significance between the proportions of C. burnetii-seropositive cattle with and without abortion history assessed by the Z test of two proportions. Of the 350 cattle, 41.4%, 1.7%, 1.4%, 0.3%, and 0.0% were seropositive to the above pathogens, respectively. Besides, 61.9%, 2.9%, 1.0%, 0.0%, and 0.0% of the 105 cattle with history of abortion and 32.7%, 1.2%, 1.6%, 0.0% and 0.0% of the 245 seropositive cattle with no history of abortion were also seropositive for the above pathogens respectively. Moreover, the proportion of C. burnetii-seropositive cattle with history of abortion were significantly higher than the C. burnetii-seropositive ones without abortion history (p-value < 0.01). Apparent C. burnetii infections were relatively higher than the other four pathogens suggesting this bacterium contributed to abortion in the herd. Additional research on the public and bovine health implications of C. burnetii and Leptospira in the UAE are urgently needed.
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