Breeds of Dogs Renown for Their Aggression 

One common concern among dog adopters is the possibility that their new family member may develop aggressive tendencies and bite someone they care about. 

Make an informed decision about getting a dog by learning about breed aggressiveness,  

the characteristics that make some dogs more aggressive than others, and which breeds are known to be the most aggressive. 

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The breed gained popularity thanks to the lovable and devoted Lassie.  

Contrary to popular belief, the TV star's antics may have inflated its reputation as a sociable dog.  

According to the research out of the University of Helsinki, the most hostile dog breed is the rough collie, also known as a long-haired colly. 

These canines have a reputation for being hyperactive and watchful.  

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