
I believe it is just your own stock, my dogs co-owner is an accredited breeder and ive had a bitch come to him who was not hipscored (not something I would usually agree with but this bitch was 6.5 years old so made an exception as hipscoring in our breed has only been catching on with most folk over the past few years.)
Edit to add ... had it been a younger bitch I would have encouraged the owner to hipscore, probably refused use of my dog if not. You just have to think the pups will have your dogs name on them, and if anything goes wrong people will look at the sire and the dam.