Scientists discover ` ` speed gene '' within horse , which increases physical ability . Test allows trainers to learn what type of runner their horse will turn into . Thousands of horses and trainers around the world have already taken the test . Results of the test are already being published by Australian blood stockist OTI Racing .
Scientists discover `` speed gene '' within horse DNA which governs physical ability . Test allows trainers to learn what sort of runner their horse will develop into . Thousands of breeders and trainers around the world have already taken the test . Results of the test are already being published by Australian blood stockist OTI Racing .