Today, veterinary behaviorists view aggression through a medical lens.
The first link between behavior and veterinary medicine lies in diagnosis. Animals cannot articulate pain or discomfort verbally, but their behavior serves as a sophisticated language. A dog that suddenly becomes aggressive when its flank is touched may be indicating hip dysplasia; a cat that stops using the litter box might be suffering from feline lower urinary tract disease; a horse that weaves or crib-bites may be signalling gastric ulcers. Veterinarians trained in ethology (the science of animal behavior) can decode these signs. By observing posture, vocalization, facial expressions, and activity levels, the clinician gains critical data that guides diagnostic imaging, blood work, and treatment plans. Ignoring behavior means ignoring the patient’s primary mode of communication. A dog that suddenly becomes aggressive when its