Use of a Bayesian network model to identify factors associated with the presence of the tick Ornithodoros erraticus on pig farms in southern Portugal

Wilson, A.J., Ribeiro, R. and Boinas, F. (2013) Use of a Bayesian network model to identify factors associated with the presence of the tick Ornithodoros erraticus on pig farms in southern Portugal. Preventive Veterinary Medicine, 110(1), pp. 45-53. (doi: 10.1016/j.prevetmed.2013.02.006) (PMID:23499360)

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Abstract

The soft tick Ornithodoros erraticus occurs on pig farms in southern Portugal and Spain and transmits several important pathogens of humans and livestock. Its distribution is patchy and the determinants of its distribution are uncertain. Here, we use a Bayesian network model to explore possible associations between climate, farm management and the presence of O. erraticus. The resulting network confirms previous suggestions that the presence of O. erraticus is more likely in traditionally constructed pig housing, and indicates that carbon dioxide traps are highly effective for the detection of O. erraticus. Our approach also picked up several other intuitively reasonable relationships, including that traditional housing was more likely to be in poor condition and more likely to be out of use, and that buildings which were in use to house pigs were also less likely to be derelict. Neither temperature nor precipitation had any direct effect on the probability of the presence of O. erraticus, suggesting that the distribution of the species is primarily driven by farm management factors.

Item Type:Articles
Additional Information:Anthony Wilson is funded by the Biotechnology and Biological Sciences Research Council (grant number BBS/B/00603). Fernando Boinas was funded by JNICT, INVOTAN Permanent Commission scholarship (ref PO/86/00) and by Fundacão para a Ciência e Tecnologia (PTDC/SAU-ESA-6540-2006).
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Cardoso Ribeiro, Dr Rita Claudia
Authors: Wilson, A.J., Ribeiro, R., and Boinas, F.
College/School:College of Medical Veterinary and Life Sciences > School of Biodiversity, One Health & Veterinary Medicine
Journal Name:Preventive Veterinary Medicine
Publisher:Elsevier
ISSN:0167-5877
ISSN (Online):1873-1716
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