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Originally Posted by lisatodd  i have also read this where an "older" male is risky to breed due to genetics. i will have to go back and research and find this for you. it is written out there somewhere. |
Interesting! This brings to mind...a lady in town that has been breeding for years. One of her studs is probably close to 8 years now. He's always produced sound and beautiful pups. In the past year, a majority of the male pups that he's thrown has been monorchid (one testicle doesn't drop).
According to the breeder, he's never had that problem before (and he has both of his testicles). So, this age thing and defects is interesting to me!