Assessment of serum amyloid A testing of horses and its clinical application in a specialized equine practice.

Objective: To compare serum amyloid A (SAA) concentration, plasma fibrinogen concentration, total WBC count, and serum albumin-to-globulin concentration ratio (A:G ratio) in clinically normal (CN) and clinically abnormal (CA) horses.

Design: Prospective cohort study.

Animals: 111 CN horses and 101 CA horses hospitalized at a specialty clinical practice.