
Can von willebrand disease iii be prevented through breeding?
Reviewed by Dial A Vet Team
Category
Heart/Blood
Traits
Von Willebrand disease III (Scottish Terrier)
Question Number
Q5
Pet Owner Description
I want to understand which breeds are most affected by von willebrand disease iii and whether there's a way to screen for it before getting a puppy.

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Answer
Von Willebrand disease III primarily affects Scottish Terriers. The condition is autosomal recessive, caused by a mutation in the VWF gene. DNA testing for the VWF gene is available and gives a definitive answer. Affected dogs need two copies of the mutation. Carriers (one copy) are clinically normal. Never breed two carriers — Carrier × Clear pairings produce no affected puppies. Responsible breeders test both parents before any mating. Our vets can help with breeding guidance or pre-purchase advice for at-risk breeds.
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