Breed Specific Reference Ranges for Canine Thyroid Testing

Breed(s): Rhodesian Ridgeback, Whippet, Irish Setter
Sample Type: Blood Sample
Study Location: Michigan State University
CHF-funded Grant: 02659

Our work will initially look to establish breed specific reference ranges in Irish Setters, Rhodesian Ridgebacks, and Whippets. Previous research has shown that, in healthy animals, some breeds may have thyroid hormone values that fall outside of the current all-breed reference ranges. There has even been some research to suggest that the lower end of the hormone ranges is the most variable between breeds, which could lead to the erroneous diagnosis of hypothyroidism for some animals.

Participation Requirements

Animals must be healthy and have no non-thyroidal illness. Animals must be between 1-7 years old. Females can not be in in estrus or lactating. Animals must not be on thyroid supplementation, or taking supplements high in iodine.

Owners Responsibilities (Samples and Information to be collected):

  • Owners will be required to take animals to a veterinarian for a physical exam and veterinarians will be required to certify that animals have no visible illness or history of chronic illness.
  • Owners will have to submit one serum sample and one whole blood sample at time of initial testing
  • Owners will have to agree to to submit a second serum and whole blood sample at approximately one year following initial testing
  • Owners will have to contact the lab to enroll in the study and to fill out study paperwork

Read more about AKC CHF Grant #02659 here!


Contact Information:

Name: Rebecca Egbert


Phone: 517-432-5994

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