Designer dogs
Not even those controversial designer dogs of recent years are free from the health problems faced by purebreds. Forged from unsanctioned intermarriages between different doggy dynasties to the disapproval of purists like the AKC, established breeders, and owners of more conservative blends who say they prefer the old favorites that can’t breathe, hybrids offered a short-lived hope for a healthier, more democratic form of dog breeding. Done properly, these unions make anatomical extremes like flat faces less extreme, and the benefits of genetic diversity need not be argued. But screening parents is uncommon, and offspring often inherit ...