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Westie Health Registry

The Importance of the CHIC Health Registry

Breeding healthy dogs requires a thorough commitment to sound breeding practices and an understanding of several sets of complex information:

  • breed standard and type;
  • pedigrees and characteristics of potential breeding partners; and
  • health problems affecting the breed as a whole and the particular breeding partners.

The WFA is dedicated to identifying, researching, and understanding health problems in our breed, with the goal of helping breeders make informed choices leading to healthier dogs.

This can only happen if breeders test their dogs and register the results to enable the best possible choices for current breeding programs.  Since breeders often study many generations of a pedigree, registration now will be very useful in the future as more research provides answers to currently frustrating health issues.

The WFA and the West Highland White Terrier Club of America have agreed on a baseline of useful tests for our Westies that will help to improve health.  We endorse CHIC, the Canine Health Information Center, as the preferred centralized canine health database.   This registry is jointly sponsored by the AKC/Canine Health Foundation (CHF) and the Orthopedic Foundation for Animals (OFA).  CHIC also maintains a DNA bank that will facilitate future research and testing aimed at reducing the incidence of inherited disease in our Westies.

A CHIC number and report is issued once a dog’s breed-specific test results are entered into the database.  Owner approval is required for results to be published. However, CHIC encourages sharing all results, whether normal or abnormal.  All dogs must have permanent identification (microchip or tattoo) for entry into the database.

West Highland White Terriers Breed Requirements:

The breed-specific requirements for West Highland White Terriers include the results of four screenings:

  • Hip X­ray: A hip X-ray is used to determine the absence or presence of hip dysplasia and Legg-Calvé-Perthes. The hip X-ray can be done at your vet’s office or at an OFA Clinic sponsored by a kennel club. Dogs should be at least two years of age before screened and a short-acting anesthesia is recommended to ensure accuracy of the X-ray.  Bitches immediately coming into or going out of season should not submit hip X-rays since hormonal influences could alter results. Waiting at least 2 months after a bitch comes out of season is recommended. The vet who performs the X-ray fills out an official OFA form and sends the digital X-rays with an accompanying fee to the OFA.

*  Results from the OFA database indicate that 12.7% of westies have abnormal ratings for hips.

  • Patellar Screening: Your vet can evaluate the patellas of your dog and determine if there is any evidence of luxation. This does not require an X-ray. Dogs should be at least one year of age before being evaluated. The vet fills out an official OFA form and the owner submits the form with accompanying fee to the OFA.

* Results from the OFA database indicate that 3.6% of westies have abnormal results for patellas..

  • Eye Certification Exam: This exam is used to diagnose eye diseases and must be done by a certified ophthalmologist who has the necessary forms that need to be submitted to CHIC along with an accompanying fee. It is recommended that eye exams be done yearly. The dog’s eyes need to be dilated twenty minutes before the exam. The effects of the 

          dilation subside within two hours and during this time period the dog                    should not be exposed to bright sunlight. The registry is maintained                      by CHIC.  Many dog shows have eye clinics.

*Results from the OFA database indicate that 6.7% of westies tested were identified with eye abnormalities

  • Craniomandibular Osteopathy (CMO): This simple cheek swab test diagnoses whether or not a dog carries one (carrier), two (affected) or zero (clear) copies of the gene for this disease.  CMO is a developmental disease in dogs causing extensive bony changes in the mandible and skull. In this disease, a cyclical resorption of normal bone and replacement by immature bone occurs along the inner and outer surfaces of the affected bones. It usually occurs between the ages of 3 and 8 months.

* Results from the OFA database show that 1.1% of westies are affected and 18.8% are carriers for CMO.

Forms Required: The CMO form is available on the OFA website under DNA based Genetic Diseases and can be submitted directly to the OFA with a copy of the CMO test results.

Once the Westie has these four required health screenings and the results have been reported to the OFA, a CHIC number will be issued.

You can help with research! Contribute a sample from your Westie to help find cures for genetic problems.

Contribute a Westie Health Research Sample

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