Funding for this research was provided by:
University of Veterinary Medicine Vienna
Article History
Received: 4 January 2019
Accepted: 4 March 2019
First Online: 13 March 2019
Compliance with ethical standards
: All sampling procedures were routinely performed by veterinarians on study sites, and the work was approved by local authorities. No further ethic permissions were required as no additional samples (besides the ones for routine health inspection of incoming animals) were taken for this study and the supervising veterinarian (NP) participated in the study.
: The authors declare that they have no conflicts of interest.