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Coxiella burnetii is the most probable cause of abortion in a Spanish red deer (Cervus elaphus) farm

AuthorsGonzález-Barrio, David ; Almería, Sonia; García-Pérez, A. L.; Ortiz, José-Antonio; Gortázar, Christian ; Ruiz Fons, Francisco
Issue Date2012
Citation61st WDA/10th EWDA (2012)
AbstractIn spring 2011 an abortion outbreak took place in a red deer farm in southern Spain. To determine the cause of abortion we collected vaginal swabs and sera from 25 females in the farm; 12 of them had aborted. Sera were analyzed by ELISA to detect antibodies against Chlamydophila abortus, Toxoplasma gondii, Neospora caninum and Coxiella burnetii. Vaginal swabs were analyzed by PCR to detect the presence of DNA from any of these pathogens. Serological results showed antibody prevalences of 32.0±18.3% for C. abortus, 8.0±10.6% for T. gondii, 0±0.0% for N. caninum and 36.5±18.8% for C. burnetii. Seroprevalence differed between aborted and nonaborted animals only in the case of C. burnetii (50.0±28.3% and 23.0±23.0%, respectively) but remained similar for C. abortus (33.3±26.7% and 30.8±25.0%, respectively) and T. gondii (8.3±15.6% and 7.7±14.5%, respectively). Vaginal swabs were only positive for the presence of C. burnetii DNA, whose prevalence was 15.0±19.6%. Interestingly, the 40.0±30.3% of aborted females shed C. burnetii in vaginal secretions versus the 15.4±19.6% of the non-aborted females. Access to aborted material to properly diagnose the cause of abortion was impossible because deer are farmed in semi-extensive conditions. However, the higher seroprevalence of C. burnetii in the aborted group in addition to shedding of C. burnetii in vaginal swabs suggests Q fever is the most probable cause of abortion in the deer farm.
DescriptionResumen 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.
Appears in Collections:(IREC) Comunicaciones congresos
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