Silver Fang (tv-series, 1986)

Gin is a striped Akita-Inu puppy named after his silver coat. Shortly after being born, he watches his father, Riki, get killed by Akakabuto, a bear that terrorizes everything in his path. Being the third-generation of bear-dogs to try to stand up against Akakabuto, he ventures out to find dogs to join him in his fight against the demon bear.