TIL a study published in the journal of Applied Animal Behavior Science, found that the most aggressive dog breeds are Dachshunds (wiener dogs), Chihuahuas, and Jack Russell Terriers; not the Pitbull, Rottweiler or Doberman.

Veterinary student and pit bull adopter here. Just have a few more studies you all might find interesting. Enjoy and peruse at your leasure:

According to the American Temperament Test Society, American Pit Bull Terriers (APBT), American Staffordshire Terriers (AST), Staffordshire Bull Terriers, and American Bulldog had a collective passing rate of 85.4%, the highest being Staffordshire Bull Terriers with a passing rate of 89.6%.

It is the official stance of the American Veterinary Medical Association that dogs should be judged as a measure of their individual character, not as their breed (regardless of whether they are a big old pitty or a cute yappy Chihuahua). https://www.avma.org/public/pages/why-breed-specific-legislation-is-not-the-answer.aspx

The CDC strongly recommends against breed-specific laws in its oft-cited study of fatal dog attacks, noting that data collection related to bites by breed is fraught with potential sources of error (Sacks et al., 2000). (From ASPCA website)

Specifically, the authors of this and other studies cite the inherent difficulties in breed identification (especially among mixed-breed dogs) and in calculating a breed’s bite rate given the lack of consistent data on breed population and the actual number of bites occurring in a community, especially when the injury is not deemed serious enough to require treatment in an emergency room (Sacks et al., 2000; AVMA, 2001; Collier, 2006). (From ASPCA website)

An AVMA study of nearly a decade's worth of dog bites found no correlation between breed and incidence of dog bites http://avmajournals.avma.org/doi/abs/10.2460/javma.243.12.1726

Also, TONS of info and study citations in the following link on bred discrimination: https://www.avma.org/Advocacy/StateAndLocal/Documents/Welfare-Implications-of-the-role-of-breed.pdf

Hope you all enjoy!

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