Behavior is a reflection of an animal’s internal state (physical and mental). In veterinary medicine, behavior is the 6th vital sign—alongside temperature, pulse, respiration, pain, and nutrition.
One of the greatest services of modern veterinary science is the exoneration of "bad" pets. When an owner surrenders a dog for aggression, a behavior-savvy vet runs a thyroid panel. Hypothyroidism in dogs is linked to "rage syndrome" – sudden, unprovoked aggression. Treat the thyroid, and the dog returns to normal. zooskool com video dog album andres museo p better