5. American Pitbull Terrier
On the fifth spot of our list of best autism service dogs for adults is the American Pitbull Terrier. This dog loves to be around people and the people love him for it. As much as they are friendly even with strangers, their loyalty is incomparable. They will protect their owner or family even if their life is on the line. A proper training is needed though since they tend to mess around with other animals or pets if not properly trained.
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