The ''American Stud Book'' is the

stud book 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 ...

for the

Thoroughbred The Thoroughbred is a horse breed best known for its use in horse racing. Although the word ''thoroughbred'' is sometimes used to refer to any breed of purebred horse, it technically refers only to the Thoroughbred breed. Thoroughbreds are ...

horse in the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., ...

. It was founded by Sanders Bruce, with assistance from his brother B. G. Bruce.Montgomery ''Thoroughbred'' p. 162 In 1896,

The Jockey Club The Jockey Club is the breed registry for Thoroughbred horses in the United States and Canada. It is dedicated to the improvement of Thoroughbred breeding and racing and fulfills that mandate by serving many segments of the industry through its s ...

bought out Bruce and assumed publication of the book, which it has continued to the present.Montgomery ''Thoroughbred'' p. 174 The ''American Stud Book'' was first published, as volume one, in 1868, covering the first part of the alphabet from A to K. In 1873, a revised volume one and a second volume were published, with the new volume one covering A through L.Harrison ''Background of the American Stud Book'' pp. 56-57 Bruce continued publishing the volumes, but a fire in his offices right before volume five was published put him in financial difficulty, and he then entered into a legal fight with The Jockey Club over the right to publish the ''American Stud Book'', which was finally settled in 1896 when The Jockey Club bought the ''American Stud Book'' from Bruce for $35,000.Harrison ''Background of the American Stud Book'' pp. 58-59 Currently the ''American Stud Book'' includes all Thoroughbred horses foaled in the United States,

Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by to ...

, and

Puerto Rico Puerto Rico (; abbreviated PR; tnq, Boriken, ''Borinquen''), officially the Commonwealth of Puerto Rico ( es, link=yes, Estado Libre Asociado de Puerto Rico, lit=Free Associated State of Puerto Rico), is a Caribbean island and unincorporated ...

. It also includes any Thoroughbreds imported into those places from other countries, as long as those countries' Thoroughbred stud books are approved by The Jockey Club.The Jockey Club
The American Stud Book Principal Rules and Requirements
''About the Registry''

Citations

References

* * * {{short description, Stub book for the American Thoroughbred horse breed Horse racing organizations in the United States Horse breed registries