Training a small dog may require a new approach, such as the use of a training collar together with positive reinforcement.
small dog
Russian Toy Terrier
A miniature terrier known as Russian Toy is one of the tiniest dogs in the world. It is quite a new dog breed.
Russian Bolonka - the Lap Dog of Character
Russian Bolonka is a perfect lap dog. They include Russian Tsvetnaya Bolonka and Franzuskaya Bolonka.