Omega-3 Improves Your Pet Health

“Iams also buys “purebred” litters, thus encouraging the breeding of purebreds, despite the fact that such dogs and cats are more prone to suffer health problems.” http://www.iamscruelty.com/iams-feat-cag…
What do you think?

i don’t know how, because i adopted it after it was spayed/neutered. the only thing i want to know is, will this cause health problems down the road?