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    Screening for Coxiella burnetii in dairy cattle herds in Poland

    Journal of Veterinary Research

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    Data
    2022
    Autor
    Szymańska-Czerwińska, Monika
    Jodełko, Agnieszka
    Osiński, Zbigniew
    Niemczuk, Krzysztof
    Metadane
    Pokaż pełny rekord
    Streszczenie
    Introduction: The intracellular bacterium Coxiella burnetii is the aetiological agent of Q fever, a zoonosis affecting many animal species worldwide. Cattle and small ruminants are considered the major reservoirs of the bacteria and they shed it through multiple routes. Material and Methods: A total of 2,180 sera samples from 801 cattle herds in all Polish voivodeships were tested by ELISA for the presence of specific antibodies. Milk samples were obtained from seropositive cows in 133 herds as part of a separate study. The milk samples were examined by ELISA and real-time PCR tests. Results: Seroprevalence at the animallevel was 7.06% and true positive seroprevalence was 6.0% (95% confidence interval (CI) 1.1–9.4). Seroprevalence at the herd level was estimated at 11.1% and true positive seroprevalence was 10.5% (95% CI 3.2–15.8). Shedding of the pathogen in milk was detected by real-time PCR in 33 out of 133 tested herds (24.81%, 95% CI 17.74–33.04%) and the presence of C. burnetii antibodies was confirmed in 85 of them (63.9%, 95% CI 55.13–72.05%). The highest level of conformity between ELISA and real-time PCR results was obtained for bulk tank milk samples. Conclusion: Coxiella burnetii infections are quite common incattle herds across the country, which emphasises the crucial roles of surveillance and adequate biosecurity measures in the prevention and limitation of Q fever spread in Poland.
    URI
    https://sciendo.com/pl/article/10.2478/jvetres-2022-0070
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