Here are some specific purposes for which chihuahuas may be used:
* Companionship: Chihuahuas are excellent companions for people of all ages. They are affectionate, loyal, and love to be around people.
* Therapy dogs: Chihuahuas' small size and friendly nature make them ideal for therapy work. They can provide comfort and companionship to people in hospitals, nursing homes, and other healthcare settings.
* Show dogs: Chihuahuas are also popular show dogs. They are judged on their conformation (physical appearance), temperament, and movement.
* Ratting: Some chihuahuas are still used for ratting, the practice of hunting and killing rats. Chihuahuas are small and agile, making them well-suited for this task.
Overall, chihuahuas are versatile little dogs that can make great companions, therapy dogs, show dogs, and even ratters. Their purpose ultimately depends on the needs and desires of their owner.