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Title

Wild boar tuberculosis in Iberian Atlantic Spain: a different picture from Mediterranean habitats

AuthorsMuñoz-Mendoza, Marta; Marreros, Nelson; Boadella, Mariana ; Gortázar, Christian ; Juan, Lucía de; Bezos, Javier; Romero, Beatriz; Sáez, José L.; Balseiro, Ana
Issue Date8-Sep-2013
PublisherBioMed Central
CitationBMC Veterinary Research 9: 176 (2013)
Abstract[Background]: Infections with Mycobacterium bovis and closely related members of the Mycobacterium tuberculosis complex (MTC) are shared between livestock, wildlife and sporadically human beings. Wildlife reservoirs exist worldwide and can interfere with bovine tuberculosis (TB) eradication efforts. The Eurasian wild boar (Sus scrofa) is a MTC maintenance host in Mediterranean Iberia (Spain and Portugal). However, few systematic studies in wild boar have been carried out in Atlantic regions. We describe the prevalence, distribution, pathology and epidemiology of MTC and other mycobacteria from wild boar in Atlantic Spain. A total of 2,067 wild boar were sampled between 2008 and 2012. [Results]: The results provide insight into the current status of wild boar as MTC and Mycobacterium avium complex (MAC) hosts in temperate regions of continental Europe. The main findings were a low TB prevalence (2.6%), a low proportion of MTC infected wild boar displaying generalized TB lesions (16.7%), and a higher proportion of MAC infections (4.5%). Molecular typing revealed epidemiological links between wild boar and domestic – cattle, sheep and goat – and other wildlife – Eurasian badger (Meles meles) and red fox (Vulpes vulpes) – hosts. [Conclusions]: This study shows that the likelihood of MTC excretion by wild boar in Atlantic habitats is much lower than in Mediterranean areas. However, wild boar provide a good indicator of MTC circulation and, given the current re-emergence of animal TB, similar large-scale surveys would be advisable in other Atlantic regions of continental Europe.
DescriptionThis is an Open Access article distributed under the terms of the Creative Commons Attribution License.-- et al.
Publisher version (URL)http://dx.doi.org/10.1186/1746-6148-9-176
URIhttp://hdl.handle.net/10261/83242
DOI10.1186/1746-6148-9-176
E-ISSN1746-6148
Appears in Collections:(IREC) Artículos
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