General Stud Book Table of Contents Introduction References & Edit History Discover Do Lemmings Really Commit Mass Suicide? There’s a Riot Goin’ On: Riots in U.S. History (Part One) Why Are Some Time Zones 30 Minutes Off Instead of an Hour? Facts and Figures About the Landings on Omaha Beach During the Normandy Invasion on June 6, 1944 Uninvited Guests: The 7 Worst Parasitic Worms 6 Lakes That Are Drying Up Major Mass Extinctions Contents General Stud Book British horse racing Ask the Chatbot a Question More Actions Print Cite verifiedCite While every effort has been made to follow citation style rules, there may be some discrepancies. Please refer to the appropriate style manual or other sources if you have any questions. Select Citation Style MLA APA Chicago Manual of Style Copy Citation Share Share Share to social media Facebook X URL https://www.britannica.com/topic/General-Stud-Book Feedback Feedback Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login). Feedback Type Select a type (Required) Factual Correction Spelling/Grammar Correction Link Correction Additional Information Other Your Feedback Submit Feedback Thank you for your feedback Our editors will review what you’ve submitted and determine whether to revise the article. External Websites Ask the Chatbot a Question Written and fact-checked by The Editors of Encyclopaedia Britannica Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors. The Editors of Encyclopaedia Britannica Article History Table of Contents Table of Contents Ask the Chatbot General Stud Book, in horse breeding, prototype of the breeding record of purebred horses, or studbook (q.v.).