abstract:A breed registry, also known as a herdbook, studbook or register, in animal husbandry and the hobby of animal fancy, is an official list of animals within a specific breed whose parents are known. Animals are usually registered by their breeders when they are still young.
The Westminster Kennel Club was the first member of the pure breed dog registry group, The American Kennel Club.
VOA: special.2009.02.23
Per the Wiki page for AQHA, the American Quarter Horse Association is the largest breedregistry in the world, with more than 5 million American Quarter Horses registered.
At the 2011 Jockey Club Round Table in Saratoga Springs, New York, Michael Lamb and Dan Singer of McKinsey and Company presented the results of a study commissioned by the Jockey Club, which is the breedregistry for Thoroughbred horses in this country, Canada, and Puerto Rico.