General Discussion
In reply to the discussion: My 30 pound dog was attacked by three unleashed pit bulls [View all]TheMadMonk
(6,187 posts)The vast majority of undesirable traits in domestic pets are there because, "responsible" breeders deliberately bred parent with ofspring, and sibling with sibling to "FIX" a desired trait in the breed and then used outbreeding to weed out any undesirable traits which came along for the ride.
If genetic testing was not as cheap as it has become, "responsible" breeders would still be mating littermates, harvesting one viable puppy and destroying 5 monsters.
Back in the day, the difference between a responsible and irresponsible breeder, was the irresponsible one sold animals that the "responsible" breeder would destroy.
Today, "professional breeders" turn out designer dogs by the thousand, from puppy mills run along lines not unsimilar to battery egg production.