Canis ISSN: 2398-2942 Bullmastiff Introduction Biological Data Introduction General information Originated in Britain, a cross between the English Mastiff and the Bulldog designed to be the gamekeeper's assistant. A very good guard dog with speed, strength and stamina enough to catch intruders without causing serious injury. Can be stubborn and resist obedience training. Requires little grooming. Biological Data This article is available in full to registered subscribers Sign up now to purchase a 30 day trial, or Login Further ReadingPublicationsRefereed papers Recent references from PubMed and VetMedResource. Other sources of information For information on Genetic Testing Providers (labs), genetic tests, and tests by breed, visit International Partnership for Dogs: https://dogwellnet.com/. For a list of DNA tests available for certain breeds worldwide, visit Kennel Club Worldwide DNA tests: https://www.thekennelclub.org.uk/health/for-breeders/dna-testing-simple-inherited-disorders/worldwide-dna-tests/. The Kennel Club Breed-specific requirements and recommendations including health screening: www.thekennelclub.org.uk/media/9846/abs_breed_specific_requirements_and_recommendations_web.pdf. Pratt L Bull Mastiffs Today. Ringpress. Pratt L Bullmastiffs Today. Howell. ISBN 087605064X. Organisation(s) Visit the Kennel Club website to search for details of KC-registered breed clubs: thekennelclub.org.uk/services/public/findaclub/breed/. Visit the American Kennel Club website to search for details of AKC-recognized breed clubs: www.akc.org/clubs/search. American Bullmastiff Association: http://bullmastiff.us.