'Gait Keeper’ Gene Mutation Analyzed February 04, 2014 According to a study, researchers have determined that a horse’s gait is influenced by a genetic mutation which has been spread around the world by humans.
Study: Gene Mutation Affects Gait August 31, 2012 International researchers have identified a gene mutation that "has a favourable effect on harness racing performance" in a study recently published in Nature magazine.
Study: Gene Mutation Affects West Nile Vulnerability In Horses May 14, 2010 According to a report, researchers have found that horses with a particular mutated gene increases their susceptibility to contract West Nile Virus.