Canadian Manchester Terrier Club
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DNA Tests and Result Statistics


Available Tests

Three DNA health tests are currently available for the Manchester Terrier:
  • ​von Willebrand's Disease
    von Willebrand's Disease (vWD) is a bleeding disorder caused by an inherited deficiency of one of the 13 clotting factors of the blood. A number of companies provide this testing in North America. 
  • Juvenile Cardiomyopathy in Toy Manchester
    Juvenile Cardiomyopathy is a heart problem affecting young Toy Manchester Terriers.  While the problem was once fatal, a DNA test is now available from the University of Minnesota's Canine Genetics Lab.  
  • Xanthinuria
    Xanthinuria causes excess levels of xanthine in the urine, leading to formation of Xanthine stones.  It can cause urinary stones or kidney failure in Toy Manchester Terriers. A DNA test is now available from the University of Minnesota's Canine Genetics Lab. 
Please note that the University of Minnesota currently offers a panel providing results for all three DNA tests at a reduced per test rate.

Result Statistics

Juvenile Dilated Cardiomyopathy
598 Toy Manchester Terriers and English Toy Terriers have been tested for JDCM as of May 21, 2020.  We are grateful to the University of Minnesota for sharing this information with us.
Overall
Tested: 598
Affected: 9 (1.5%)
Carrier: 126 (21.1%)
Clear: 463 (77.4%)
​North America
Tested: 289
Affected: 5 (1.7%)
Carrier: 60 (20.8%)
Clear: 224 (77.5%)
​International
Tested: 309
Affected: 4 (1.3%)
Carrier: 66 (21.4%)
Clear: 239 (77.3%)

Xanthinuria
524 Toy Manchester Terriers and English Toy Terriers have been tested for Xanthinuria as of May 21, 2020.  Results are as follows:

Overall
Tested: 524
Affected: 2 (0.4%)
Carrier: 112 (21.4%)
Clear: 410 (78.2%)
North America
Tested: 275
Affected: 2 (0.7%)
Carrier: 66 (24%)
Clear: 207 (75.3%)
​International
Tested: 249
Affected: 0 
Carrier: 46 (18.5%)
Clear: 203 (81.5%)
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