AZ Animals on MSN

The oldest dog breeds in the world, one may date back 10,000 years

Dogs have been by our side for thousands of years, but some breeds trace their origins back far earlier than most people realize. While it’s impossible to pinpoint the exact “first” dog breed, genetic ...
The New York Times

But how much does breed shape a dog’s health and behavior?

Humans have a long history of reshaping their canine companions, which evolved from ancient wolves. At least 10,000 years ago, Arctic peoples were using selective breeding to create sled dogs, ...