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

INHERITANCE OF CYSTINURIA IN MASTIFFS

Cystinuria is known to be an autosomal recessively inherited disease in Newfoundland and Labrador retriever dogs, and there is a DNA test…

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.

SUBSCRIBE TO THE MCOA JOURNAL.

Scroll to Top