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The history of the Bullmastiff dates back to the mid-nineteenth century when English estate owners found themselves in need of a guard dog that would protect their properties from poachers. Breeders began crossing English Bulldogs with Mastiffs and the Bullmastiff is a result of those efforts. The goal of the breeders was to develop a powerful breed that would be capable of knocking down an intruder and holding that intruder to the ground until its master arrived.
Genetic Diseases that can be tested for:

Dominant - PRA

Australia / NZ statistics: No information is currently available - keep checking this page for updates

Please be aware that other genetic diseases or developmental abnormalities may still be present. A genetic test does not replace the need for ongoing clinical assessment by a veterinarian. Disease penetrance and clinical assessment of affected animals can only be performed by a qualified veterinarian.

Disease Statistics provided by breed club health committies and member bodies