Abstract
BackgroundEuropean wildcats (Felis silvestris) are widely distributed in Europe and a strictly protected species in Germany. Lately, anthropogenic protective efforts lead to increasing numbers of wildcats in southwestern Germany. Moreover, in recent years the numbers of domestic cats are increasing. Thus, the contact between domestic and wildcats may lead to the spread of zoonotic pathogens in both animal species. As data on vector-borne pathogens (VBPs) in wildcats from Germany are limited to date, the objective of this study was to investigate the presence and current distribution of VBPs in wildcats from southwestern Germany.MethodsSkin and spleen samples from 117 European wildcats, originating from a regional carcass-monitoring program in southwestern Germany, were examined by real-time and conventional polymerase chain reaction (PCR) for the presence of Anaplasma phagocytophilum, Neoehrlichia mikurensis, Rickettsia spp., Bartonella spp., and Piroplasmida.ResultsIn total, 6.8% (n = 8) of the wildcats were Rickettsia-positive, specified as R. helvetica. Three wildcats were positive for A. phagocytophilum (2.6%), one for Bartonella spp., namely B. taylorii (0.8%), and 84 for Cytauxzoon spp. (71.8%). Out of these 84 samples, 23 were further sequenced revealing very high identity levels (99.84–100%) to C. europaeus, which is considered to be pathogenic for domestic cats. All wildcats were negative for the presence of N. mikurensis DNA.ConclusionsEuropean wildcats in southwestern Germany are hosting several VBPs. With the exception of Cytauxzoon spp., low prevalence rates of most examined pathogens suggest that wildcats are primarily incidental hosts for sylvatic pathogens associated with rodents, in contrast to domestic cats. However, the high prevalence of the cat-associated pathogen C. europaeus suggests that wildcats in southwestern Germany may serve as reservoirs for this pathogen.Graphical
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