The following is a summary of problems that have been found in mastiffs. Some of these problems are known to be hereditary, some are thought to be hereditary, and some are not hereditary. Some problems are followed by an underlined reference to an article, such as:

References
     Mastiff Club of America Health Section
     Canine Diversity - Genetics
     THE IMMUNE SYSTEM AND DISEASE RESISTANCE by W. Jean Dodds, DVM
     Dog Genome Project
     VetGen's Canine DNA Research
     MCOA Journal, 1992 #4, page 29, "Basic Breeding Principles That Provide
          Program Improvements."
     AKC Gazette, 7/1993, page 82, "Identifying and Controlling Defective Genes."
     AKC Gazette, 2/1994, page 74, "Genetic Disorders: Did Mama Cause Them?"
     The Mastiff Reporter, 5/1995, page 6, "Sleeping Dragons..."

PRA - will your mastiff go blind? Night blindness is often the first symptom of Progressive Retinal Atrophy (PRA), a blindness causing, hereditary problem. PRA in Mastiffs is dominant. DNA test now available.

Mastiffs DNA Tested Clear of PRA

CERF vets by Country/State maintained by the Canine Eye Registration Foundation.

How To Choose A Veterinarian For Your Mastiff by Doc Robin

List of veterinarians who can x-ray for OFA without anesthesia.

Female Mastiffs OFA Clear of Hip and Elbow Dysplasia

Female mastiffs that have appeared in both the OFA and OFEL lists published by the AKC and/or MCOA.

Male Mastiffs OFA Clear of Hip and Elbow Dysplasia

Male mastiffs that have appeared in both the OFA and OFEL lists published by the AKC and/or MCOA.

Mastiff Stud Dog Statistics

Whelpwise Whelping Service

Health Certificates