The reasons why dogs do not bark or rarely bark:

1. The dog’s personality is relatively introverted or timid. In this case, the dog does not know how to bark. , I just didn’t dare to call.

2. Dogs are born with vocal cord development defects or damaged vocal cords, resulting in the dog being unable to bark.

3. If the dog’s mental state is not good, it may be because the dog is sick and has no energy to bark.

4. The reason why some dogs don’t bark is because they don’t feel safe. The dogs will be beaten or hurt after barking at the previous owner. When they first come to a new environment, they are not familiar with it yet. Depending on the breeder's temper, the dog will not bark at this time.

5. The dogs may belong to breeds that don’t like to bark, such as Great Pyrenees, Butterfly Dogs, Tibetan Mastiffs, Bago, etc. Most of these breeds of dogs are very quiet and don’t like to bark.

Solutions for dogs that don’t bark or rarely bark:

1. For dogs that are timid or insecure, breeders can encourage them. Use food stimulation to induce the dog to bark.

2. For dogs with poor mental status and vocal cord development defects, breeders can take the dogs to the pet hospital for examination and treatment.

3. If the dog doesn’t like to bark due to breed issues, you can raise a dog of another breed at home and let them communicate with each other. Over time, both dogs will bark.