Worst Dog Breeds To Adopt According To Vets

German Shepherd

This breed is one of the smartest dogs of all breeds. German Shepherds were bred to be herding dogs. Their intelligence made them suitable for working with the military and police, as well as being guide dogs. These dogs need to be properly trained from a young age in order to be easy to work with as their owner. They are also prone to health issues such as neurological issues and hip dysplasia. German Shepherds are very protective of their owners.