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Wayne Gresky: Här då ett utdrag från artikeln i Daily Mail.

"The study, published in the journal Applied Animal Behaviour Science, was based on interviews with 6,000 dog owners by researchers at the University of Pennsylvania.

One of the researchers, Dr James Serpell, said the findings suggested smaller breeds were more genetically predisposed towards aggressive behaviour. Previous research into the area has generally been based on dog bite statistics.

But bites from larger dogs are more likely to need medical attention and the researchers said this might have skewed results as most attacks were not being reported."