The Dogs Trust has commended a recent BBC documentary for highlighting the issue of pedigree dogs and irresponsible breeders.
Pedigree dogs that are not bred responsibly may end up needing pet medication for health problems that come from poor genetic diversity.
To show the extent of this problem, the BBC made the documentary Pedigree Dogs Exposed - Three Years On.
Clarissa Baldwin OBE, Dogs Trust chief executive, said: "We are pleased that this documentary has drawn attention to the unscrupulous breeders who fall under the radar of regulation and churn out puppies for profit with little or no regard for their welfare or the breeding bitches left behind to continue the cycle."
She added that dogs do so much for humans that it is about time we do the same to ensure their health and wellbeing.
The charity is calling for the government to tackle this issue by strengthening the Breeding and Sale of Dogs Act. They want the law to stop breeders continuing to produce litters when it has been determined that their animals are unhealthy.