Risk associated with animals moved from herds infected with brucellosis in Northern Ireland

L. A. Stringer*, F. J. Guitian, D. A. Abernethy, N. H. Honhold, F. D. Menzies

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

19 Citations (SciVal)


The movement of cattle from herds infected with Brucella abortus was investigated in order to assess the control measures for eradication of brucellosis from the cattle population of Northern Ireland. Using recorded cattle movement data, a historical cohort study was designed and carried out to quantify the risk of seropositivity in bovine animals moved from herds infected with brucellosis. The study found that 3.1% of animals, moved in the 6-month period prior to disclosure of infection in the source herd and subsequently tested, were interpreted as seropositive in their destination herds. The odds of seropositivity were approximately 19 (95% confidence interval: 7.8-46.4) times higher in this cohort compared with animals from herds with no history of infection. A multivariate logistic regression model was constructed to examine factors influencing the risk of seropositivity in the exposed cohort of animals, identifying maternal status (whether the dam had been a brucellosis reactor) and age at leaving the infected herd as the main risk factors. Crown

Original languageEnglish
Pages (from-to)72-84
Number of pages13
JournalPreventive Veterinary Medicine
Issue number1-2
Early online date22 Jan 2008
Publication statusPublished - 17 Apr 2008
Externally publishedYes


  • Bovine
  • Brucella abortus
  • Brucellosis
  • Cattle
  • Livestock movement


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