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Tropical Animal Health and Production

, Volume 48, Issue 8, pp 1747–1750 | Cite as

Seroprevalence and risk factors of bovine viral diarrhoea virus (BVDV) infection in yaks (Bos grunniens) in northwest China

  • Jian-Gang Ma
  • Wei Cong
  • Fu-Heng Zhang
  • Sheng-Yong Feng
  • Dong-Hui ZhouEmail author
  • Yi-Ming Wang
  • Xing-Quan Zhu
  • Hong Yin
  • Gui-Xue HuEmail author
Short Communications

Abstract

Bovine viral diarrhoea virus (BVDV), a member of the Pestivirus genus, is an important pathogen of cattle worldwide, causing reproductive disorders in adult cattle and mucosal disease in calves. However, limited information about BVDV infection in yaks (Bos grunniens) in China is available, especially in white yaks which is a unique yak breed that only lives in Tianzhu Tibetan Autonomous County (TTAC), Gansu Province, northwest China. Therefore, we conducted a cross-sectional study to estimate the seroprevalence and risk factors associated with BVDV infection in 1584 yaks in Gansu province, northwest China, between April 2013 and March 2014 using an indirect ELISA test. The overall seroprevalence of BVDV in yaks was 37.56 % (595/1584), with 45.08 % (275/610) in black yaks and 32.85 % (320/974) in white yaks. Moreover, positive yaks were found in all four regions, varied from 33.22 to 40.31 %. Male yaks had a similar seroprevalence (37.84 %) with that of the female yaks (37.11 %). Season, species and geographical origins of yaks were considered as risk factors analyzed by logistic regression model. To our knowledge, this is the first report of seroprevalence and risk factors associated with BVDV infection in white yaks in China.

Keywords

Bovine viral diarrhoea virus Northwest China Seroprevalence Risk factors Yaks 

Notes

Acknowledgments

This work was supported in part by the “Special Fund for Agro-scientific Research in the Public Interest” (Grant No. 201303037) and the Beef and Yak Production System Programme, MOA (CARS-38).

Compliance with ethical standards

Conflict of interests

The authors declare that they have no competing interests.

Ethics statement

The study was approved by the Animal Ethics Committee of Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences.

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Copyright information

© Springer Science+Business Media Dordrecht 2016

Authors and Affiliations

  • Jian-Gang Ma
    • 1
    • 2
  • Wei Cong
    • 1
    • 2
  • Fu-Heng Zhang
    • 3
  • Sheng-Yong Feng
    • 1
  • Dong-Hui Zhou
    • 1
    Email author
  • Yi-Ming Wang
    • 2
  • Xing-Quan Zhu
    • 1
  • Hong Yin
    • 1
  • Gui-Xue Hu
    • 2
    Email author
  1. 1.State Key Laboratory of Veterinary Etiological Biology, Lanzhou Veterinary Research InstituteChinese Academy of Agricultural SciencesLanzhouPeople’s Republic of China
  2. 2.College of Animal Science and TechnologyJilin Agricultural UniversityChangchunPeople’s Republic of China
  3. 3.Maqu County Center for Animal Disease Prevention and ControlMaquPeople’s Republic of China

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