Why aren there any white thoroughbreds in a horse race?
Because the white gene is supposed to be toxic to thoroughbreds. There are very rare cases where a thoroughbred is actually white and there are a few times where there have been white thoroughbred racehorses, but not many. There’s even been a few cases where a thoroughbred had the proper markings to be a paint horse, but that too is unlikely. Chestnut, bay, brown, and grey are the dominant colors in the thoroughbred breed and that’s why you rarely see thoroughbreds who are different colors. Grey horses are actually born a real color (chestnut, bay, brown, black), but gradually grow more grey hairs and turn lighter with age. But since racehorses are young, those greys are usually still a dark color when they’re racing. The horse that I ride is a grey and his almost all white now, but when he was racing he was all black. The true black horse is as rare as the true white horse. To be white, the horse has to have all pink skin… any dark skin means you’re not a white horse. To be black, t
