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Serological detection of emerging viral infections in wild boars from different hunting regions of Southern Germany



Serological detection of emerging viral infections in wild boars from different hunting regions of Southern Germany



Tierarztliche Praxis. Ausgabe G Grosstiere/Nutztiere 40(1): 27-32



Wild boars represent a possible virus reservoir for notifiable diseases of farm animals, including Aujeszky's disease (AD) and classical swine fever (CSF). Monitoring of the epidemiological situation in the wild boar population is especially relevant in countries that are officially free from these diseases. Apart from OIE-notifiable diseases, other viral agents that are widely distributed and play a significant role in farm animals, such as the porcine reproductive and respiratory syndrome virus (PRRSV), porcine circovirus type2 (PCV-2), and swine influenza virus (SIV), are sporadically detected in wild boars. Thus, the wild boar population is a potential source for maintenance of these infections in farm animals. The aim of this study was therefore to test for antibodies to the indicated emerging viral infections in wild boars in several hunting regions of Southern Germany. Blood serum of 94 shot wild boars from 19 hunting regions in Bavaria, Rhineland-Palatinate and Baden-Württemberg were collected. Antibodies to AD virus (ADV), CSF virus (CSFV), PRRSV, SIV (H1N1) (all by IDEXX ELISA) and PCV-2 (IgM and IgG by Ingenasa ELISA) in blood serum were determined. Antibodies to ADV were detected in four animals (4.2%), to PRRSV in one animal (1.2%), to SIV (H1N1) in two animals (2.1%) and to PCV-2 (IgG) in 15 animals (16.0%) of which three animals also had antibodies to PCV-2 (IgM) (3.2%). CSFV antibodies were not detected in the examined wild boars. Compared to other studies in several European and American states, the seroprevalence to the tested emerging diseases was low in this study. Nevertheless, the wild boar population may still be a virus reservoir and therefore a source of infection for domestic pigs. This is especially important in the case of notifiable diseases, like AD and CSF. Therefore, a continuous monitoring of those diseases in the wild boar population would be advisable.

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Accession: 055724571

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PMID: 22331288


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