The very best response I've found to a BYB is or someone wanting their kids to see the miracle is that we test for PRA/PRCD, Cerf and EIC, CNM,DM and do OFAs after two at a minimum.
"The bad genes are in the Labradors and have to be bred out and tested. Each parent provides one copy from each parent to the puppy"
How would they feel having puppies out there that are flopping around and blind and maybe crippled? Better yet send them some Video links of blind labs or affected ones.
