Tropical Animal Health and Production

, Volume 50, Issue 6, pp 1399–1404 | Cite as

Herd prevalence and genotypes of Coxiella burnetii in dairy cattle bulk tank milk in Gyeongsang provinces of South Korea

  • Min-Goo Seo
  • In-Ohk Ouh
  • Dongmi KwakEmail author
Short Communications


Coxiella burnetii is the causative agent of the zoonotic Q fever, and its reservoirs include ticks and livestock, which are key sources of transmission to humans. Although there have been several studies on the prevalence of C. burnetii antibodies in dairy cattle bulk tank milk (BTM), there is a lack of information on the molecular detection of C. burnetii in BTM in South Korea. Thus, this study was designed to assess milk shedding of C. burnetii in BTM from dairy cattle herds. Among the 607 BTM samples collected from 41 counties in Gyeongsang provinces in 2015, 108 (17.8%) from 23 (56.1%) counties tested positive for C. burnetii by PCR. Because the 16S rRNA sequences of C. burnetii from all 108 PCR-positive samples were identical, two representative samples (BTM-GB-10 and BTM-GN-63) are described in this paper. These sequences showed high identity (96.9–100%) to other C. burnetii sequences deposited in GenBank. Phylogenetic analysis showed that these two sequences were clustered with existing C. burnetii strains. The relatively high prevalence rates of C. burnetii in BTM detected in this study suggest that C. burnetii is prevalent among dairy cattle herds in South Korea. Thus, implementation of continuous monitoring and control strategies for domestic animals is needed to prevent disease transmission and protect public health.


Coxiella burnetii Dairy cattle Bulk tank milk Genotyping 



This research was supported by a grant from the Basic Science Research Program through the National Research Foundation of Korea (NRF), funded by the Ministry of Education (Grant No. NRF-2016R1D1A1B02015366).

Compliance with ethical standards

Conflict of interest

The authors declare they have no conflicts of interest.

Ethics approval

BTM samples were collected by dairy farmers during daily milk collection after obtaining verbal consent, and consequently, sample collection did not require ethical approval from any authority. The same was true for the study protocol. In addition, collection of BTM is neither harmful nor a threat to animal welfare. This study did not involve any endangered or protected species.


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Copyright information

© Springer Science+Business Media B.V., part of Springer Nature 2018

Authors and Affiliations

  1. 1.College of Veterinary MedicineKyungpook National UniversityDaeguSouth Korea
  2. 2.Animal and Plant Quarantine AgencyGimcheonSouth Korea
  3. 3.Cardiovascular Research InstituteKyungpook National UniversityDaeguSouth Korea

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