"Responsible breeders will consider the health of their puppies to be a priority, increasing the probability that healthy puppies will go on to live long and happy lives. This page includes sections on factors to consider when breeding dogs for health, including breeding from DNA tested dogs and inbreeding."
The Kennel Club
Advice and Information for Breeders
From general breeding advice through accessing breed-specific information in Mate Select, Screening tests,Co-efficient of Inbreeding Calculators and Estimated Breeding Values the Advice and Information for Breeders page on The Kennel Club's website provides a terrific overview of resources that will be of particular interest and use to dog breeders.