Funding for this research was provided by:
University of California, Davis (N/A)
Morris Animal Foundation (D16EQ-820)
National Institute of Food and Agriculture (2017-67015-26296)
National Institutes of Health (5T320D010993-12)
University of California Davis Provost Undergraduate Research Fellowship (N/A)
University of California Davis Center for Equine Health (17-24R)
University of Califorina Davis Center for Equine Health (16-12)
Received: 14 August 2020
Accepted: 23 November 2020
First Online: 30 November 2020
Ethics approval and consent to participate
: The horses that were included in all aspects of this study were privately owned and blood and/or hair samples for DNA isolation were taken with informed, written consent from the owners. Ocular exams and sampling was performed with approval of the Institutional Animal Care and Use Committee of the University of California, Davis (#20450) and the Animal Ethics Committee of the Utrecht University (DEC file 2013.III.01.012).
: Not applicable.
: FA, RAG and RRB are affiliated with the Veterinary Genetics Laboratory, a laboratory offering diagnostic tests in horses.