[ link one – University of Cordoba ] … and her colleagues analyzed 1040 cases of canine aggression brought to a nearby veterinary teaching hospital from 1998 to 2006. Of those cases, the majority were attributed to English cocker spaniels, Rottweilers, Boxers, Yorkshire terriers and German shepherds.
Probing the data further, Amat and her team discovered that English cocker spaniels were more likely than other dogs to act aggressively toward their owners as well as unfamiliar people.
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[ link two – University of Bristol ] … the behavior of dogs has been misunderstood for generations: in fact using misplaced ideas about dog behavior and training is likely to cause rather than cure unwanted behavior.
The findings challenge many of the dominance related interpretations of behavior and training techniques suggested by some TV dog trainers. Contrary to popular belief, aggressive dogs are NOT trying to assert their dominance over their canine or human “pack”…
…training approaches aimed at “dominance reduction” vary from being worthless in treatment to being actually dangerous and likely to make behaviors worse.