Dog breeding is bad. PETA says so. Your vegan friends say so. You don’t dare discuss it at the dog park lest you get mauled by well-intentioned but passionate dog owners. But why is breeding bad? No ...

All dogs are good boys—but not all dogs are good for families. That’s why these breeders are focusing on health and temperament. Sharon Dippel hugs a retired greyhound that she adopted in Florida.

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, ...