
The Rat Terrier is an American dog breed with a background as a farm dog and hunting companion. They are often kept as pets and are known to be intelligent, active, and playful.
Calculate AgeSmall dogs typically age more slowly after maturity, with many reaching 15-20 years of age. They tend to develop quickly in their first few years. Large dogs tend to have shorter lifespans but mature more slowly.
Regular veterinary check-ups are essential for monitoring your dog's health as they age. Proper nutrition, exercise, and dental care can significantly impact your dog's lifespan and quality of life.