You should absolutely avoid breeding a dog older than 8 or 9 years old. If your dog has not yet had a litter even this is too old. How Long Can A Puppy Go Without Eating In 2021 Puppies Dog Care Pet Health Additionally if youre planning to breed a dog thats older. . There is a maximum age for a female dog upto which it can breed. You should absolutely avoid breeding a dog older than 8 or 9 years old. The oldest age a female dog can have puppies is around 8 years old. The strictest standard to retire a dog from breeding is 5 years of age. Answered by Gerhard Bernier on Thu May 27 2021 1200 AM. Regarding the male dogs you should stop breeding them when they reach seven to 10 years old. Once your dog reaches 5 or 6 years she may be already too old. Consult your vet when considering breeding a dog older than 5 years old. 19 rows As much as knowing when is a good age to start breeding your dog knowing when you ...