Why do dogs bark at some people and others not? Why do dogs bark at strangers?

Negative associations of dogs
I believe everyone knows that dogs have an extremely sensitive sense of smell. They have about 300 million olfactory cells, which is 60 times that of humans. Therefore, it can be said that dogs have a sensitive sense of smell. The degree is ten thousand times higher than that of humans. Dogs can smell or recognize far more smells than humans, and they can obtain much more information than humans.
When a dog barks at a person, it is possible that it receives a strange smell, and this smell is associated with some negative smells in its smell reserve, which may be very similar to previous injuries. If your dog smells the smell of a person, they will automatically associate it with someone they are afraid of.
In addition to the sense of smell, dogs can also identify the characteristics of people through vision, although it is not as sensitive as the sense of smell. Dogs will use human characteristics such as the type and color of clothing as memory points. When it sees this characteristic through vision and associates it with the things it is afraid of in its memory, it will also bark at people to protect itself.
Seeing sneaky people
Some sneaky people move hesitantly, and the way they walk and the sounds they make can make dogs uneasy, thus stimulating their aggression. , will bark at these people, on the one hand to try to scare them away, and on the other hand to warn the owner that strange people are appearing.
Bullying people who are afraid of dogs
There is a structure called the "vomeronasal organ" on the roof of a dog's mouth. It can identify and detect the hormones of almost all living things. Human emotions are reflected in the presence of dogs. There is no room for hiding. If a person is hesitant in his movements and nervous and fearful in his heart, a dog can detect the person's timid attitude. Therefore, if such people enter the dog's territory, the dog will naturally fight back. After all, it will think that you are not a threat. Dogs are not afraid of people who are afraid.
How to stop a dog from barking
The owner can train the dog through appropriate rewards. When the dog barks at certain people, the owner gives a certain command to the dog, such as "sit down" "Quiet", if the dog stops barking, reward the dog with a treat. Over time, the dog will associate the command with the reward. If you are barking at a guest, you can also ask the guest to bribe the dog with snacks to tell the dog that the guest is not dangerous.
To stop a dog from barking, the owner first needs to determine the cause and then prescribe the right remedy. At the same time, for snack training, it is best to find some strangers in advance and come to the dog one by one. The owner repeatedly stops the dog and gives the dog snacks. In this way, the dog learns faster and can naturally stop the dog more efficiently in normal times. Barking at people.
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