BREEDERS & GROUPS
MCOA BREEDER REFERRAL PROGRAM
The best way to get a healthy, happy, quality Mastiff puppy is to purchase one directly from a reputable breeder. Reputable breeders put the welfare of their dogs and the improvement of the breed above their desire for financial gain. Reputable breeders will take back or replace a puppy who is found to have a congenital defect.
Learn more about Mastiff health
DNA RESOURCES
DNA WEBSITES & EDUCATIONAL RESOURCES
The Mastiff Club of America’s DNA Sub-Committee promotes the use of DNA to insure the integrity of our Mastiff pedigrees and to …
CYSTINURIA IN MASTIFFS
WHAT IS CYSTINURIA?
Cystinuria is an inherited metabolic disorder that can cause stones to form in the kidneys and urinary tract of affected individuals. It has been found in over…
Cystinuria in Mastiffs
CYSTINURIA TESTING RECOMMENDATIONS & RESEARCH INFORMATION
The MCOA Cystinuria Committee recommends screening Mastiffs for Cystinuria between 18 and 24 months…
MCOA Rescue Foundation Incorporated (RFI)
The Mastiff Club of America is dedicated to the humane rescue, rehabilitation, and rehoming of our beloved breed. In 2005, the Rescue Foundation Incorporated (RFI), a 501c3 Not for Profit Charitable animal welfare organization, was created to provide additional financial support to established charitable Mastiff rescue organizations
MCOA RECOGNIZED REGIONAL CLUBS
View a list of other MCOA regonized regional clubs, and clubs in other countries.