Seroprevalence of brucellosis in goats and sheep in Thailand: Results from the Thai National Brucellosis Surveillance System from 2013 to 2015

M. E. Peck, K. Chanachai, C. Jenpanich, A. Amonsin, Bruce H Alexander, Jeff B Bender

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

In Thailand, brucellosis re-emerged in humans in 2003 and is considered a public health risk to goat farmers as the disease is endemic in small ruminants. The Thai Department of Livestock Development (DLD) established a nationwide surveillance system for brucellosis in goats and sheep in 1997. Using data from this surveillance system, we describe the seroprevalence of brucellosis from 2013 to 2015 in small ruminants and the spatial distribution of the disease throughout Thailand. Surveillance data collected included the number of animals and herds tested, the province of the animal and herd and the laboratory results. Seroprevalence was estimated at both the animal and herd levels. During the 3-year period, 443,561 goats and sheep were tested for brucellosis by the DLD throughout Thailand using the Rose Bengal Plate Test (RBPT) and the enzyme-linked immunosorbent assay test for Brucella. Among the 3 years, 2013 had the highest proportion of herds that tested positive for brucellosis at 13.80% (95% CI, 12.52, 15.16). Overall, this study found that brucellosis seroprevalence in small ruminants is decreasing throughout Thailand. However, there is variability in the spread of the disease with provinces in the eastern and western regions of Thailand having higher proportions of animals and herds testing positive. Overall provinces in the south had the lowest proportion of animals and herds testing positive for brucellosis. Periodic review of surveillance data documents the impact of the current brucellosis control programme and supports a targeted response in higher prevalence regions when there are limited financial resources for control measures.

Original languageEnglish (US)
Pages (from-to)799-805
Number of pages7
JournalTransboundary and Emerging Diseases
Volume65
Issue number3
DOIs
StatePublished - Jun 2018

Bibliographical note

Funding Information:
Work on this manuscript was supported by the US National Institutes of Health (NIH) Research Training Grant #R25 TW009345 funded by the Fogarty International Center (BMM); the NIH Office of the Director of AIDS Research; the NIH Office of the Director of Research on Women’s Health; The National Heart, Lung and Blood Institute; The National Institute of Mental Health; and the National Institute of General Medical Sciences; and awarded to the Northern Pacific Global Health Fellows Program by the Fogarty International Center. The funders had no role in study design, data collection and analysis, decision to publish or preparation of the manuscript.

Funding Information:
Fogarty International Center, Grant/Award Number: #R25 TW009345; US National Institutes of Health (NIH); the NIH Office of the Director of AIDS Research; the NIH Office of the Director of Research on Women’s Health; The National Heart, Lung and Blood Institute; The National Institute of Mental Health; the National Institute of General Medical Sciences

Funding Information:
Work on this manuscript was supported by the US National Institutes of Health (NIH) Research Training Grant #R25 TW009345 funded by the Fogarty International Center (BMM); the NIH Office of the Director of AIDS Research; the NIH Office of the Director of Research on Women's Health; The National Heart, Lung and Blood Institute; The National Institute of Mental Health; and the National Institute of General Medical Sciences; and awarded to the Northern Pacific Global Health Fellows Program by the Fogarty International Center. The funders had no role in study design, data collection and analysis, decision to publish or preparation of the manuscript.

Publisher Copyright:
© 2018 Blackwell Verlag GmbH

Keywords

  • Thailand
  • brucellosis
  • goat farming
  • ruminants
  • surveillance

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