Puppy aggression problems are commonly experienced by pet owners. It may be because of the
puppy's breed, like the Cocky Spaniels that suffers from rage syndrome; or due to pain or illness
that needs medical attention. Puppies also tend to be aggressive because they lack attention and
had been left alone. Boredom and anxiety can lead to aggression. Lastly, the puppy may have
experienced being bullied, which can make the puppy lash out in response.
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