I often hear people say they don't believe in breeding mutts -- mainly because they come from BYB's. And I also don't like BYB's.

But I think it would be good if there were reputable breeders with hip/eye etc. checked stock, health certificates, pedigrees, registration, everything that makes a good breeder good, breeding mutts.

I hear most people on this site say that mutts are the best, or mutts are great; wouldn't it be better if the mutts came from healthy lines?

What are your opinions on this? Do you think that mutts should be bred responsibly?