 sire and the mother both carried and louie was affected half of his litter will be affected so he probably was born in a litter of two his other dog's violent probably healthy maybe a carrier but louie got both genes and he is affected and that's just how that's just science it's genetics there's no way around it um it's just the way it is just like if your mom has blue eyes and your dad has blue eyes and probably you're probably going to have blue eyes you know