Kooikers may be affected by gene mutations causing IVDD.
Testing for Intervertebral disc disease (IVDD) in Kooikers?
Kooikerhondje Health Testing
There are currently five health tests required for American Kooikerhondjes to earn their CHIC number and thus be "fully health tested." Here is how to do them and how to interpret them.
Color genetics in Kooikerhondjes
Kooikers are NOT a typical "color breed" - the breed standard describes them as an orange and white dog with black pigment - but there are color genetics at play!
Kooikerhondjes vs. Cheetahs – a conservation case study
What do Kooikerhondjes and Cheetahs (Acinonyx jubatus) have in common? Not much on the surface, but as it turns out, they share aspects of their history, genetics and population dynamics that may be illuminating in the pursuit of breed preservation - the domestic cousin of conservation.
The Great Angulation Debate
The Kooiker standard changed ahead of full recognition in AKC in 2018. What changed and how does that influence our interpretation of the ideal Kooiker?
Outcross program initiated for Kooikerhondjes
In an attempt to rescue the breed's genetic diversity, an outcross program was initiated in 2020 in Finland - why and how will this work?
Grooming Kooikerhondjes
What grooming is required for this breed?
Kooikerhondjes as bird dogs?
Are Kooikers bird dogs? Or gun dogs? Or sporting dogs? What do these words mean in the context of a breed that is a spaniel but was not meant to work under a gun, and can Kooikers be redeployed to do more traditional bird dog work in the field?
Kooikerhondje Info for Veterinarians
You are a veterinarian or a new Kooiker owner bringing your dog to a veterinarian who has not met this breed - what do they need to know?
Casper has every breed Flyball record!
Casper does it again!
Criterion Kooikerhondjes 