Gallery: National Puppy Day encourages adoption

Thursday is National Puppy Day. And while puppies bring unconditional love to their owners, there's also a serious message to the day.

National Puppy Day was founded in 2006 by Colleen Paige to encourage adoption of puppies from shelters and to bring attention to puppy mills.

To celebrate National Puppy Day, send images of your puppies to NBC 10.

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