The Kooikerhondje breed can suffer from:
- Patellar luxation¹
- Hereditary necrotising myelopathy which is a serious disease affecting the spinal cord which can result in paralysis.
- Von Willebrand's disease² () which is where a dog produces insufficient or faulty clotting factors which can result in uncontrolled bleeding.
Priority Kennel Club health schemes and testing:
None but there are several recommended schemes that the Kennel Club recommends which can be found here.
¹L. Evers, 'Inherited disorders and harmful breed characteristics in the Belgian Malinois, English Cocker Spaniel, Shetland Sheepdog and Dutch Kooiker Dog in the Netherlands', 2014, Masters thesis, Utrecht University
²B. A. van Oost et al, 'DNA testing for type III von Willebrand disease in Dutch Kooiker dogs', June 2008, Journal of Internal Veterinary Medicine