Funding for this research was provided by:
American Kennel Club Canine Health Foundation (1613, 2015, 2614, 02805-E)
Morris Animal Foundation (D05CA-072, DO2CA-62)
Received: 10 May 2020
Accepted: 4 August 2020
First Online: 10 September 2020
Ethics approval and consent to participate
: All buccal and blood samples were submitted directly by owners to the study. The study followed all applicable guidelines for the institutional care and use of animals, and all procedures were in accordance with the ethical standards of the University of California, Davis (IACUC #20402).
: Not applicable.
: The authors declare that they have no competing interests.