Barrier Frustration

Aggression that manifests itself due to the frustration of not being able to engage with something when restrained by a leash or blocked by a barrier. The frustration itself may be the sole cause of the aggression which will extinguish when there is no longer restraint or this can exasperate other types such as fear, dominance, and territorial aggression. In these cases there will still be aggression present if the restraint or barrier is removed.

Read more about barrier frustration and other forms of aggression here:

Classification of aggression types in dogs

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