This blog goes into some problems in current breeding practices and what they can cause, answers a few questions for those who posted in recent threads about cancer and problems in their dogs.
With the power of the internet to make information available to family buyers it is not too late to save many breeds from the more extreme deformities called 'desirable' or 'typy'.
People simply need to look for breeders who refuse to breed for extremes.
Breeders do not breed what they cannot sell, even though many will never admit to being commercial, costs and affordability to care for dogs and pups plus buy good foundation stock does count when deciding to breed or not.
Pedigree Dogs Exposed - The Blog