Assessment of criteria used by veterinary practitioners to diagnose hypothyroidism in sighthounds and investigation of serum thyroid hormone concentrations in healthy Salukis.

Objective: To assess use of serum thyroid hormone concentrations by veterinarians to diagnose hypothyroidism in sighthounds and to evaluate serum thyroid hormone concentrations in healthy Salukis.

Design: Retrospective case series and cross-sectional study.

Animals: 398 sighthounds of various breeds with a diagnosis of hypothyroidism and 283 healthy Salukis.