Korean Journal of Veterinary Service (한국동물위생학회지)

The Korean Society of Veterinary Service (한국동물위생학회)
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Seroprevalence and molecular detection of Mycoplasma gallisepticum and M. synoviae infection in broiler breeder in Jeonbuk providence, Korea

전북지역 육용종계에서 Mycoplasma gallisepticum과 M. synoviae의 항체 및 유전자 양성률 조사

  • Kwak, Kilhan (Institute Livestock and Veterinary Research) ;
  • Lee, Heungiae (Institute Livestock and Veterinary Research) ;
  • Yuk, Hyunsu (Institute Livestock and Veterinary Research, Southern Branch) ;
  • Lee, Jaeuk (Institute Livestock and Veterinary Research, Western Branch) ;
  • Lee, Kwanho (Institute Livestock and Veterinary Research, Northern Branch) ;
  • Yi, Young-Joo (Division of Biotechnology, College of Environmental and Bioresource Sciences, Chonbuk National University) ;
  • Lee, Sang-Myeong (Division of Biotechnology, College of Environmental and Bioresource Sciences, Chonbuk National University)
  • 곽길한 (전라북도 축산위생연구소) ;
  • 이흥재 (전라북도 축산위생연구소) ;
  • 육현수 (전라북도 축산위생연구소, 남부지소) ;
  • 이재욱 (전라북도 축산위생연구소, 서부지소) ;
  • 이관호 (전라북도 축산위생연구소, 북부지소) ;
  • 이영주 (전북대학교 환경생명자원대학 생명공학부) ;
  • 이상명 (전북대학교 환경생명자원대학 생명공학부)
  • Received : 2015.05.23
  • Accepted : 2016.06.21
  • Published : 2016.06.30
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Abstract

The present study investigated serological and molecular prevalence of Mycoplasma gallisepticum (MG) and Mycoplasma synoviae (MS) infection in unvaccinated broiler breeder farms in Jeonbuk providence. An enzyme-linked immunosorbent assay (ELISA) and polymerase chain reaction (PCR) had been used to determine antibody titers against MG and MS, and genome of these pathogens, respectively. Seventy five percent of farms were seropositive for MG and 94% of farms were seropositive for MS. In addition, the rate of antibody positive flocks against MG were 65.3% (32/49), while the rate of positive flocks against MS were 84.2% (80/95). The geometric mean antibody titers were $802.2{\pm}626$ and $27,726.7{\pm}2426$ against MG and MS, respectively. Interestingly, none of samples was positive for MG genome by PCR, while 94% (farms), 82% (flocks) and 62.6% (broiler breeder) were positive for MS genome by PCR. These findings suggest that the prevalence of MG or MS infection could be higher than expected. Thus, strict prevention program including vaccination and environmental sanitation should be implemented to avoid disease transmission from breeder to broilers as well as transmission among broilers.

Keywords

References

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