: Scientific research now uses non-invasive methods, such as testing cortisol levels in wool or saliva, to objectively quantify long-term stress in animals. Recommended Resources & Study Guides
That "naughty" behavior? Chewing, hiding, growling, or peeing outside the box—it might be a cry for medical help.
Since "Animal Behavior and Veterinary Science" is a broad field of study rather than a single specific book (unless referring to a specific textbook by an author like Katherine A. Houpt or similar academic compilations), I have written this review as a comprehensive critique of the .