Quote:
Originally Posted by Wrenee4  AKC will accept a male's puppies until he is 10 years old. The male will have a lower sperm count the older they get, but still should be able to do so. If worried you could take him to repo vet and have a sperm count done to verify. |
I read on the AKC site that it is 12 years old (for both males and females). After that, you would have to have proof from your vet (or witness) that the pups were actually conceived by the male (proof that he's "still got it"
).