What do dogs smell when walking? Why do dogs keep looking down and sniffing when walking?

Dogs learn about the world through their sense of smell
For dogs, the entire world is a synthesis of smells. Dogs use smell to learn about the world, the things around them, people, and other dogs of their kind.
Dogs lowering their heads to smell is an important means of socialization
Dogs have a very developed sense of smell, and sniffing behavior is very important to them and is also the main means for dogs to communicate. This is a way to communicate information with other dogs in dog society, which is also an important social behavior. Just like when humans post on WeChat Moments, they leave a sentence at the root of the tree: "If you feel that you are as tired as a dog all day long, then you are really misunderstood. Dogs are not as tired as you."
Sniffing everywhere also "relieves stress" for the owner
You may not know that ten minutes of sniffing for a dog is equivalent to half an hour of running.
Dogs inhale different odors when they sniff, and then their brains analyze the complex information contained in the odors. The act of sniffing can bring positive stimulation to the dog's body and mind and build self-confidence. If you are a 996 office worker, letting your dog smell is really a good way to get twice the result with half the effort. Smell for 10 minutes and the effect is equal to 30 minutes of walking. Dogs can not only consume a certain amount of physical energy, but also gain psychological satisfaction. Another important point is that if the dog can fully smell the smell, the number of random eating outside will be greatly reduced.
Marking and conveying information
When going out, dogs also like to rub here and pee there. In fact, this is the dog leaving its own scent, and other dogs are smelling it. Collect these messages.
Notes
Therefore, when you walk your dog, you still have to give the dog enough time to smell the scent, let them release stress, do not deprive them of their rights, and do not be afraid of getting dirty. Dirty and take them away.
However, pet feces is still an important way to spread diseases. If you want to be safe and hygienic, you still need to pay attention to:
1) Regularly vaccinate dogs, not only against rabies, but also to prevent dogs from contracting other infectious diseases
2) Regularly perform external and internal deworming
3) Wipe the dog’s paws after walking the dog and do a good job of cleaning
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