Received: 7 February 2019
Accepted: 23 May 2019
First Online: 28 May 2019
Ethics approval and consent to participate
: The procedures involving piglets were approved by the institutional ethics committee and the national authority according to § 26ff of Animal Experiments Act, Tierversuchsgesetz 2012-TVG 2012 (license number: BMWF-68.205/0034-WF/V/3b/2016; Austrian Federal Ministry of Science, Health and Economy).
: Not applicable.
: DS, NG and HK are employees of Ceva. AJ, AH, AS and BH are members of staff of the Vetmeduni Vienna and received no allowances or personal benefits from the Sponsor; they declare that they have no competing interests.