Resource guarding in most instances is something easily fixable with time and effort. There are severe cases where the expertise of a professional trainer is needed. Resource guarding also shows up as a symptom when there are other behavior issues so enrolling in a positive training class is highly suggested.

Can dogs grow out of resource guarding?

DOGS DO NOT GROW OUT OF GUARDING BEHAVIORS; THEY GROW INTO THEM. Practice preventive measures. This is no guarantee, but it can take the edge off of a puppy's insecurity about losing valuable resources. ... When your puppy is eating, approach his food bowl and drop in a treat.

Can resource guarding be cured?

It Can Be Cured by Making Resources Abundant. The logic based approach of giving a dog so many resources he couldn't possibly need to guard makes sense in the human mind, but unfortunately dog's don't see it this way.