If I understand your question correctly, you have a 12 year old male dog and want to know if it's safe to buy a male puppy. The answer can vary depending on the temperament and even health of your older dog. If he is generally healthy and well adjusted, and has shown that he enjoys the company of puppies (and is safe with them!) it can be fine. With some dog who really like puppies, adding a puppy with an older dog can help them live longer, since they stay more active and enjoy life more. If your old dog is less healthy and/or doesn't like pups, it may be best to wait. The nice thing if he DOES like pups and is a good dog, he can help teach the puppy the daily routine. It doesn't replace your training too but an adult dog can be a good mentor for a puppy.
Answered by paws4Hisglory - 12/13/2012 5:39:28 PM