Funding for this research was provided by:
Svenska Forskningsrådet Formas
The Swedish Icelandic Horse Association SIF
The Swedish Norwegian Foundation for Equine Research
The Agricultural University of Iceland's Doctoral Fund
The Stock Protection Fund for the Icelandic Horse Breed
Received: 17 September 2020
Accepted: 19 February 2021
First Online: 14 April 2021
: Hair samples were collected following owner’s informed written consent and according to ethical approval by the Ethics Committee for Animal Experiments in Uppsala, Sweden (number: 5.8.18–15453/2017).
: Not applicable.
: The authors declare competing interest concerning commercial applications of the current study. GL is a co-inventor on a patent application concerning commercial testing of the DMRT3 mutation. The stated patents does not restrict research applications of the method.