Answer:
THE ADVANTAGES OF PUREBRED DOGS
Responsible breeders breed dogs with desired characteristics, abilities and instincts. The offspring of their breeding programs are predictable in appearance, temperament and instinct. Purebred dogs are true to type when mated.
Purebred calves will all be a very consistent size, grow at very similar rates, and finish and be ready to slaughter at roughly the same time and at similar weights and carcass sizes. It is easier to market a uniform beef product. This study found that purebred dogs have a significantly greater risk of developing many of the hereditary disorders examined in this study. No, mixed breed dogs are not ALWAYS healthier than purebreds; and also, purebreds are not "as healthy" as mixed breed dogs. i know this because i have purebreds and mixed dogs
Image result
In all size groups (small, medium, large, and giant), mixed breed dogs live longer than purebred dogs, although the difference is not that large. The study found that, on average, a mixed-breed dog lives for 14.45 years compared to 14.14 years for a purebred