Funding for this research was provided by:
Harry M. Zweig Memorial Fund for Equine Research (NA)
National Institute of Food and Agriculture (#2005-01812)
Boehringer Ingelheim (NA)
Received: 20 November 2019
Accepted: 27 July 2020
First Online: 10 August 2020
Ethics approval and consent to participate
: The sample collections for this study were carried out in accordance with the recommendations in the Guide for the Care and Use of Laboratory Animals of the National Institute of Health and approved by the Institutional Animal Care and Use Committee at Cornell University (animal protocol #2011–0011). Since the study was performed in research horses the work also followed the Guide for Care and Use of Animals in Agricultural Research and Teaching.
: Not applicable.
: The authors declare that they have no competing interests.