When you look at the current research on spaying and neutering, the AGE at which it's done turns out to be vitally important to your dog's future health. For example, your female dog should NOT be spayed at 6 months old.
Life Expectancy of Dogs and Cats. We hope our pets will be a part of our lives for many, many years but the fact is that the average life expectancy is 10-12 years for dogs and 10-14 years for cats. Older pets have very specific needs and are particularly susceptible in later years to cancer, arthritis, and dental disease.
Rating Newest Oldest. Best Answer: The average life span of a cat is 12-15 years. Some cats make it to 19, and others can make it up to thirty. It really all depends on if they are altered, live indoors as opposed to outdoors, the food they are fed, overall health, etc.ating Newest Oldest. Best Answer: The average life span of a cat is 12-15 years. Some cats make it to 19, and others can make it up to thirty. It really all depends on if they are altered, live indoors as opposed to outdoors, the food they are fed, overall health, etc.