Signs compatible with an anxiety disorderįacial expression compatible with anxiety (and/or fear) can include dilated pupils, panting, puffed cheeks, crinkled brows, repetitive yawning, constant lip licking, and pulling the ears back. Description of the behavior sequence, context, frequency, and severity of aggressive events as well as health status of the dog allows veterinarians to tease apart appropriate normal from inappropriate abnormal behaviors. To complicate matters even more, aggression can be an expression of either normal or abnormal behavior. Aggression, therefore, encompasses a wide variety of behaviors ranging from subtle body postures and facial expressions to explosive attacks. Some definitions of aggression also include the display of threats in the absence of injury. Aggression has been defined as “spoken or physical behavior that is threatening or involves harm to someone or something” ( 1). On the other hand, a growling dog that has never bitten is aggressive but not necessarily dangerous. A 50-kg enthusiastic excited dog running right someone, knocking them down, and injuring them is dangerous. So what important questions do we need to ask?ĭangerousness does not necessarily equate with aggressiveness, although they are often used interchangeably.
Unfortunately labeling the type of aggression is often insufficient to assess the relative dangerousness of an aggressive dog. Classification often varies depending on authors. Publications in the veterinary literature describe various types of aggressive behaviors.
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