Funding for this research was provided by:
MSD Animal Health Nordics
Received: 27 June 2018
Accepted: 30 October 2018
First Online: 7 December 2018
Consent for publication
: Consent for providing data to and participation in the study as well as publication in anonymous form was obtained from participating herd owners.
: All authors are employees of MSD AH/Merck AH.
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