They are maintained by reputable breeder's who love a certain breed and produce high quality stock from good blood lines.
selective breeding
Professional breeder's who choose only the best lines.
poodle
All purebred dogs.
Crossed or Mutts
A purebred short can be about a variety of different animals. Usually purebred shorts describe dogs or cats and their breeds.
The Kennel Club
No, but the puppies will me mixed, not purebred.
nothing, dogs not purebred, it can't be bred to make a purebred, its worthless.
A purebred Great Dane.
Because they are pure bred and have true to the bone bloodlines.
The spelling "breeder" is used for one who raises purebred animals, such as dogs.
The Cane Corso is a purebred dog, not a mixed breed.