Pomeranian is most healthiest toy dog breed due to their small frame.
Usually, this toy dog is less prone to obesity-related issues.
Generally, chihuahua toy dog breeds are healthy with minimal health issues.
They are considered as healthiest because of their intelligence and adaptability.
Their thick coat makes them one of the healthiest toy dog breed.
They are recognized as the fifth Healthiest Toy dog breed due to their athleticism.