Resource guarding is a natural canine behaviour that becomes a welfare and safety concern when severe, requiring humane management rather than punishment.
Resource guarding exists on a spectrum from mild stiffening over a food bowl to severe aggression. The welfare concern arises at the severe end where dogs bite household members and live in a state of chronic vigilance around resources. The common owner response of punishment worsens welfare by suppressing warning behaviours without reducing the underlying anxiety. Welfare-positive management acknowledges guarding as a communication of perceived resource vulnerability and responds by making resource abundance predictable. Trade-up training teaches dogs that human approach predicts resource improvement rather than loss. For severe cases, veterinary behaviour expertise is required to determine whether pharmacological support alongside behaviour modification is indicated.