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Dogs' sense of smell is 1,200 times that of humans, and dogs can smell well within 500 meters of their surroundings, so they need to pay good attention.
1. Find people by smell.
Dogs can distinguish others by smell, dogs their sense of smell is really special, for them, everyone's smell is different, which is very sensitive to the smell of the owner and familiar people, so even if its owner is mixed with a strong smell of perfume or alcohol, dogs can also identify and find the owner according to the faint smell. Therefore, there are now specially trained military dogs in the army.
In this way, if there is a disappearance, the dog's ability can be of great use. In addition, dogs seem to be able to distinguish twins from each other by smell.
2. Smell blood sugar changes.
Studies have confirmed that dogs can smell changes in human blood sugar. This is mainly identified by dogs, who can be identified by smelling the smell of sweat overflowing from people, if there is diabetes in the home.
Patients may also have hypoglycemia.
This ability of the dog can play a big role.
3. Identify the owner's contact with other dogs.
Pet owners don't underestimate dogs, they are amazing, the owner has not been in contact with other dogs, from the owner home after the dog knows, they can smell the smell of the owner to identify whether the owner has been in close contact with other dogs, so pet owners don't be half-hearted, be careful of dogs jealous, cold war with the owner, to know that the dogs are very possessive!
How far away is the sense of smell of a space dog.
4. Natural disasters.
Like a storm. It seems that there are a lot of animals are very sensitive to the advent of natural disasters, and there has been a phenomenon of collective relocation of animals in the early stage of natural disasters, this move is very confusing at the beginning, after understanding the reason is more shocking, similarly, dogs they are no exception, some experts say that this is because dogs their noses can detect some small changes in the air, in addition to their sensitivity to geomagnetism, so they are sensitive to natural disasters, and can predict natural disasters such as storms.
5. Be able to identify pregnancy.
The dog's sensitive nose is able to detect subtle changes in body odor and hormones in the human body after pregnancy.
Certain changes occur, so if the owner is pregnant, the dog may be found out for the first time. When the owner is found to be pregnant, the dog may behave strangely, after all, they will be at a loss for this phenomenon.
A dog's sense of smell can be said to be very sensitive.
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Depending on the intensity of the smell, it can smell the smell of wild animals 200-300 meters away and people 400-500 meters away. Some dogs have a good sense of smell and can track the smell for 1-2 kilometers, such as bloodhounds.
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The average dog can smell about 1 2 kilometers, and the average dog can smell within 200 500 meters.
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People die of old age, mostly organ failure, human dysfunction, will produce smell, maybe we are not familiar with ourselves, but the dog's sense of smell is more sensitive, this should be the breath of death.
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Dogs can smell scents from a distance of several kilometers, depending on whether they are sensitive or not, and there is usually no problem within 100 meters.
There are several smells that dogs can't smell, and they can avoid it immediately after smelling it.
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I haven't measured that, but his nose does smell distant scents that we can't smell.