Understanding the causes of dog aggression is essential for effective and welfare-conscious management. The shift from dominance to fear-based models has transformed treatment approaches.
Dog aggression welfare involves both the welfare of the aggressive dog and potential victims. The dominant paradigm shift in behavioral science has significant welfare implications. When aggression is interpreted as dominance, owners and trainers apply punishment-based suppression that worsens the underlying fear and anxiety, creating a more dangerous dog while causing suffering. When aggression is understood as fear communication — the dog is saying "I am frightened and don't know how to cope" — treatment focuses on reducing the fear through systematic desensitization, counterconditioning, and appropriate medication. This approach produces dogs who feel genuinely safe and therefore have less need to aggress, achieving both better welfare and better safety. Pain assessment is essential as dental pain, joint disease, and other painful conditions can manifest as apparent aggression.