Scientists have now established that the "speed gene" that makes our Thoroughbred so fast is in the shetland pony - http://www.horsecarecourses.com/horse-sense/2012/02/the-one-about-the-shetland-pony-the-thoroughbred-and-the-speed-gene.html
The one about the Shetland Pony, the Thoroughbred and the Speed Gene - Horse Sense
Scientists have traced the origin of the 'speed gene' in Thoroughbred racehorses back to a single British mare that lived in the United Kingdom around 300 years ago, according to findings published in the scientific journal Nature Communications. The orig...
