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Prevalence of chlamydiae in dairy cattle herds and factors contributing to the spread of infections

Mońika Szymańska-Czerwińska

Mońika Szymańska-Czerwińska

  • Department of Cattle and Sheep DiseasesPuławy, Poland
  • Department of Biotechnology and Nutrigenomics, Institute of Genetics and Animal Biotechnology of the Polish Academy of SciencesJastrzębiec, Poland
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Szymańska-Czerwińska, Mońika
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Agnieszka Jodełko

Agnieszka Jodełko

Department of Cattle and Sheep DiseasesPuławy, Poland
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Jodełko, Agnieszka
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Zbigniew Osiński

Zbigniew Osiński

Department of Hygiene of Feeding Stuffs, National Veterinary Research InstitutePuławy, Poland
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Osiński, Zbigniew
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Kinga Zaręba-Marchewka

Kinga Zaręba-Marchewka

Department of Cattle and Sheep DiseasesPuławy, Poland
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Zaręba-Marchewka, Kinga
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Krzysztof Niemczuk

Krzysztof Niemczuk

  • Department of Cattle and Sheep DiseasesPuławy, Poland
  • Department of Biotechnology and Nutrigenomics, Institute of Genetics and Animal Biotechnology of the Polish Academy of SciencesJastrzębiec, Poland
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Niemczuk, Krzysztof
  
31. Dez. 2024
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Online veröffentlicht: 31. Dez. 2024
Seitenbereich: 531 - 538
Eingereicht: 10. Sept. 2024
Akzeptiert: 24. Dez. 2024
DOI: https://doi.org/10.2478/jvetres-2024-0071
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© 2024 Monika Szymańska-Czerwińska et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Introduction

Different Chlamydia species affect cattle and contribute to economic losses. One of them, C. pecorum, is a globally endemic livestock pathogen. Despite its endemicity, prevalence data from Poland have so far been limited. The present study aimed to obtain insight into the chlamydiae prevalence in Polish dairy cattle.

Material and Methods

A screening of chlamydial seroprevalence in dairy cattle was initially performed, followed by Chlamydiaceae- and species-specific real-time qPCR. Vaginal swabs (n = 239) and placenta samples (n = 2) from seropositive animals in 142 herds were collected to detect shedders. The study population consisted of cows (n = 2,780) from dairy herds (n = 1,153) located in all Polish voivodeships.

Results

The true animal prevalence was determined to be 33.3%, while the true herd prevalence was 42.7%. Five groups of Polish voivodeships were identified using appropriate statistical tools, highlighting differences that may arise from various factors impacting the spread of chlamydial infections. The only detected chlamydia species was C. pecorum, the presence of which was confirmed in two herds.

Conclusion

This study revealed that chlamydial infections are commonly present in Polish dairy cattle across the country.
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Biologie, Molekularbiologie, Mikrobiologie und Virologie, Biologie, andere, Medizin, Veterinärmedizin
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