In veterinary medicine, behavior is the "fastest way" an animal adapts to internal changes. A shift in routine or temperament is often the first red flag for a medical issue: Energy Conservation

Behavior is often the first indicator of underlying pathology. Animals cannot verbally communicate their symptoms; therefore, changes in behavior are critical diagnostic clues.

Understanding the Intersection: Animal Behavior and Veterinary Science

(repetitive behaviors such as cribbing in horses or self-biting) can indicate underlying physiological or psychological issues [21, 22]. The Link to Animal Welfare

Many presenting complaints have a primary behavioral origin rather than a purely medical one. Differential diagnosis must always rule out organic disease first, but the following are common examples:

The practitioner’s responsibilities include: