Funding for this research was provided by:
Future Animal Health and Welfare Program, Swedish University of Agricultural Sciences, Sweden
Swedish-Norwegian Foundation for Equine Research
Received: 9 November 2020
Accepted: 31 January 2021
First Online: 15 February 2021
Ethics approval and consent to participate
: The study was approved by the Ethical Committee for Animal Experiments, Uppsala, Sweden (Dnr C1270/13 and C19/14) and the owner’s written consent was obtained for all privately owned horses.
: Not applicable.
: None of the authors of this paper has a financial or personal relationship with other people or organizations that could inappropriately influence or bias the content of the article.