This article is from the Keeshonden Breed FAQ, by firstname.lastname@example.org (Kimberly J. Eashoo).
A hereditary disorder appearing in some Keeshonden is Von Willebrand's
disease (essentially hemophilia), a platelet disorder resulting in
mild to moderately severe bleeding and a prolonged bleeding time.
Careful pedigree analysis and blood testing have reduced the incidence
of this disease by reputable breeders.