History tells us that the Dog was the first friendly animal man had. It could be true, considering the relationship between them and their owners in this century. A dog is not just a pet, but also a guardian, and sometimes it can protect you from invaders or alert you. When buying a dog, you must consider if it's safe for your family, its energy level, the kind of care it will require, its age and if it will get along with the other pets. Here are the best breeds of dogs that you might consider checking.

1. Labrador Retriever

Originally from Newfoundland, the Labrador is a loyal and trusty pet and has been popular in the US for 23 years.

The Labs used to help fishermen round up stray fish and pull in nets, and they were later used by hunters to retrieve game. Its gentle personality makes it perfect for therapy, families and search-and-rescue efforts.

2. Golden Retriever

It's one of the best family dogs, and the golden retriever is quintessential in nature. Its popular in the US and it’s known for its friendliness, smartness, even-temper and it's easy to train. The breed is happier when you keep it busy, and it quickly bonds with all members of your family. Being among the most social and friendliest breeds, the Golden Retriever won’t disappoint you.

3. German Shepherd

This breed is popularly used in law enforcement agencies and the military, but they can also be loyal family dogs.

The breed originated from Karlsruhe, Germany and was recognized by the AKC in 1908. But the breed became popular in the US after Rin-Tin-Tin, a German Shepherd, became a Hollywood films sensation and appeared in more than 20 films.

4. Poodle

The gentle and smart dogs are known for their distinctive haircuts and are suitable for a family with allergic kids since they shade very little fur.

The breed has two sub-breeds, the standard breed, and the miniature. The standard one is smart, playful, adventurous and obedient while the miniature tends to get close to one person in particular but still possess the same characters as the standard breed.

5. Cavalier King Charles Spaniel

This particular dog was bred to be the lapdog of the Spaniels.

It gets turned on by cuddling up, and belly rubs and its suitable for those who love giving attention to their pets constantly. Despite being calm, the Cavaliers like to play games and are easy to train. They can also be affectionate, and they bond with their owners quickly.

6. Bull Dog

If you want a patient dog that will be affectionate with your kids, the Bull Dog should be among your best choices. They might not be the most energetic dogs, but they are friendly, docile and loyal and get along with other pets, making them perfect for a family. Due to their smaller size, they are suitable for large houses as well as small apartments. However, they need extra care.