The effect of presence of infected neighbouring farms for the Campylobacter infection status in Danish broiler farms

Research output: Contribution to journalJournal articleResearchpeer-review

  • Sharmin Chowdhury
  • Marianne Sandberg
  • Goncalo Espregueira Cruz Themudo
  • Annette K. Ersbøll
Neighbourhood risk factors for Campylobacter infection in Danish broilers were evaluated. Campylobacter infection status of a flock was identified by PCR analysis of cloacal swab samples collected as a part of national surveillance program. Included into the study were, in total, 10,876 broiler flocks sent by 226 farms to processing plants from 2007 to 2009. A multivariable logistic regression model with autocorrelation structure was used to model the effect of exposure variables on the probability of being tested positive to Campylobacter. Results showed a significant protective effect with the absence of infected neighbours within a distance of 2km. The analysis was adjusted for potential confounding factors. Seasonal cyclic patterns of the Campylobacter infection was accounted for by using sine and cosine function. Predicted probability maps showed a heterogeneous spatial and temporal risk of Campylobacter infection in Danish broiler.
Original languageEnglish
JournalSpatial and Spatio-temporal Epidemiology
Volume3
Issue number4
Pages (from-to)311-322
Number of pages12
ISSN1877-5845
DOIs
Publication statusPublished - Dec 2012

    Research areas

  • Animal Husbandry, Animal Husbandry: statistics & numerical data, Animals, Campylobacter, Campylobacter Infections, Campylobacter Infections: epidemiology, Campylobacter Infections: etiology, Campylobacter Infections: veterinary, Chickens, Chickens: microbiology, Denmark, Denmark: epidemiology, Models, Poultry Diseases, Poultry Diseases: epidemiology, Poultry Diseases: etiology, Prevalence, Probability, Risk Factors, Seasons, Spatial Analysis, Statistical, campylobacter infection

ID: 127615675