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Bovine tuberculosis in "Eurasian" badgers (Meles meles) in France

Abstract : In France, several surveillance programmes have been carried out to monitor the presence of bovine tuberculosis (bTB) in badgers in regions where cattle or wildlife show high bTB prevalence (Seine-Maritime, Côte d’Or, Dordogne/Charente). Diagnostic methods include post-mortem examination, polymerase chain reaction (PCR) and/or microbiological culture. The frequency of visible lesions was significantly higher in Dordogne/ Charente (14/283, 4.9 %) than in Côte d’Or (19/1146, 1.7 %) and Seine-Maritime (2/160, 1.25 %) (Fisher’s exact test, p<0.001). Lesions were mainly located in cephalic and thoracic lymph nodes with one badger showing generalised tuberculosis. Near infected cattle farms or pastures, Mycobacterium bovis was detected using the culture method in roughly 1 % (1/103) of the badgers sampled in Seine-Maritime and in 5.6 % (49/ 878) of the badgers sampled in Côte d’Or. In Dordogne/ Charente, the prevalence determined by PCR was 13.3 % (29/218). M. bovis was not found in badgers trapped in areas where there are no infected cattle. Spoligotyping and multiple locus variable number tandem repeat analysis showed that all M. bovis strains isolated from badgers were of the same genotype as those isolated from cattle in the vicinity, demonstrating an epidemiological link between both species. These are the first cases of bTB in badgers reported in France. Further surveys and research are needed to investigate the role badgers play in
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Contributor : Laure-Hélène Davoine Connect in order to contact the contributor
Submitted on : Monday, September 9, 2019 - 3:18:06 PM
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Ariane Payne, Maria-Laura Boschiroli, Eric Gueneau, Jean-Louis Moyen, Thomas Rambaud, et al.. Bovine tuberculosis in "Eurasian" badgers (Meles meles) in France. European Journal of Wildlife Research, 2012, 59, pp.331--339. ⟨10.1007/s10344-012-0678-3⟩. ⟨hal-02281857⟩



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