Resource guarding in dogs is a normal canine behavior that becomes a welfare concern when it leads to aggression or punishment. Understanding and managing it humanely protects both dogs and people.
Resource guarding welfare involves both the welfare of dogs experiencing the anxiety that drives guarding behavior and the safety of people who may be bitten if guarding escalates. Dogs that resource guard are not acting aggressively from aggression — they are acting from anxiety about losing something they value, using threat displays that evolved to communicate clearly without physical contact. The welfare problem occurs in both directions: dogs who guard live in a state of heightened anxiety around valued resources, unable to eat, rest, or play near people without the arousal of anticipatory defense. And dogs whose guarding is punished — particularly those whose growls are suppressed — lose the warning communication capacity that prevents escalation, creating dogs who may bite without the forewarning signals that allow humans to respond safely. The welfare-optimal approach to resource guarding management is therefore prevention through early habituation and management, combined with behavioral modification when guarding has developed, using counter-conditioning that changes the emotional association of human approach from threat to positive anticipation.