Received: 3 June 2020
Accepted: 12 January 2021
First Online: 21 January 2021
Ethics approval and consent to participate
: The study procedures were discussed and approved by the institutional ethics committee of the University of Veterinary Medicine, Vienna, in accordance with Good Scientific Practice guidelines and national legislation.
: Consent for publication was obtained in writing from the owners of the animals.
: The authors declare that they have no competing interests.