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.
The life expectancy of a cat is typically 12â15 years. However, some cats may attain the age of 21 years or more.By comparison, the average life expectancy of humans in the United States at birth in 2014 was 79.56 years. A one-year-old cat is roughly comparable, in developmental terms, to a 15-year-old-human.owever, some cats may attain the age of 21 years or more. By comparison, the average life expectancy of humans in the United States at birth in 2014 was 79.56 years.