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Seroprevalence and risk factors associated to Mycobacterium bovis in wild artiodactyl species from southern Spain, 2006-2010

AutorGarcía-Bocanegra, Ignacio; Pérez de Val, Bernat; Arenas-Montes, Antonio; Paniagua, Jorge; Boadella, Mariana ; Gortázar, Christian ; Arenas, Antonio
Fecha de publicación2012
Citación61st WDA/10th EWDA (2012)
ResumenAdditional epidemiological information regarding tuberculosis in wild ungulates, including affected species, prevalence, associated risk factors and appropriate diagnostic methods need to be obtained in Europe. A cross-sectional study was carried out on wild artiodactyl species, including Eurasian wild boar (Sus scrofa) red deer (Cervus elaphus), roe deer (Capraelus capraelus), fallow deer (Dama dama), Spanish ibex (Capra pyrenaica hispanica) and mouflon (Ovis musimon), in Spain to assess the seroprevalence against Mycobacterium bovis or cross-reacting members of the Mycobcaterium tuberculosis complex, and to provide information on associated risk factors. Previously, two in-house indirect enzyme linked immunosorbent assays (bPPD-ELISA and MPB83-ELISA) were developed using bPPD and MPB83 antigens. Positive reference sera were selected from infected animals confirmed by culture. The M. bovis isolates belonged to spoligotypes SB0121, SB0120, SB0295, SB0265 and SB0134. Two hundred and two out of 1367 (7.5%; 95% CI: 6.1-8.9) animals presented antibodies against M. bovis by both ELISAs. Significantly higher TB seroprevalence was observed in wild boar compared to the other species analyzed. Seropositivity against M. bovis was not found in any out of 460 Spanish ibex analyzed. The logistic regression model for wild boar indicated that the seropositivity to M. bovis was associated with age, location and year of sampling, while the age was the only risk factor associated with M. bovis seroprevalence in red deer and fallow deer.
DescripciónResumen del trabajo presentado a la 61st Wildlife Disease Association and 10th Biennial European Wildlife Disease Association: "convergence in wildlife health", celebrada en Lyon (Francia) del 23 al 27 de julio de 2012.
URIhttp://hdl.handle.net/10261/146763
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