Funding for this research was provided by:
The Danish Horse Levy Foundation
The Brdr. Hartmann Foundation
Kirsten og Freddy Johansens Fond
Foreningen KUSTOS af 1881
Received: 12 February 2019
Accepted: 26 September 2019
First Online: 21 October 2019
Ethics approval and consent to participate
: This study was approved by local ethical committee at the Department of Veterinary Clinical Sciences, University of Copenhagen and The Danish Animal Experiments Inspectorate (license number 2015-15-0201-00693) and was performed in accordance with the European Commission Directive 86/609/EEC.
: Not applicable.
: The authors declare that they have no competing interests.