thoroughbred sires

It's not just the number of stakes winners; it's also the quality and the rate at which they're sired that determines the best stallions in the land. In the modern world of breeding with larger books, 10% stakes winners from runners has perhaps become the new norm for greatness, rather than the 10% stakes winners to foals of yesterday. It is interesting to note that the great Northern Dancer sired 23% stakes winners from foals and 29% stakes winners from runners in an era when 40 mares in a book...