In general, pedigree breeds use a much smaller gene pool for breeding than domestic cats and therefore have a higher risk of developing inherited disorders. (icatcare.org)
Like other remote islands, a limited gene pool has led to a greater prevalence of certain diseases. (discovermagazine.com)
When revived and breeding, they will enrich the ferret gene pool by increasing the number of founders of the current population from 7 to 9. (reviverestore.org)