Our health testing levels for the Norfolk Terrier
We group breeding programs into three levels based on testing depth. Ask your breeder directly which level they meet.
A breeder at the Great level performs all mandatory tests plus 1 additional clinically recommended screenings that reduce risk in this breed.
In addition to mandatory tests:
Ichthyosis(ICT)
Haut und Fell
Ichthyosis is an inherited skin disorder where the outer layer of the skin, the epidermis, does not develop or shed properly. This defect in keratinization—the process of forming a protective outer skin barrier—leads to a buildup of dry, thick, and scaly skin. Because this barrier is compromised, the dog's body is more vulnerable to secondary infections.
Passing: Clear or Carrier
These levels are a comparison framework, not an official certification. They help compare breeding programs at a glance.