When is a pet classified as being senior or mature? Dogs and cats are considered to be mature adults once they turn 7 years old. Large breed dogs age more quickly and are considered mature at 5-6 years of age.
May 3, 2023
When is a pet classified as being senior or mature? Dogs and cats are considered to be mature adults once they turn 7 years old. Large breed dogs age more quickly and are considered mature at 5-6 years of age.