Dog Smell: How It Works

Dog Smell: How It Works

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Smell of the dog, essential. If it is not well developed, the animal can have big problems because, if for us humans, it is a secondary sense of norm, for these quadrupeds, it is crucial. Not only for the hunting breeds but for everyone, even for those who spend their days in an armchair, served and revered. Let's see how it works and why it is so fundamental for our friends.

Dog Smell: How It Works

Already after only a week away thethe dog's sense of smell it begins to develop and become important to the puppy. In fact, it learns to be able to rely on smells to orient itself and understand what to do and when.

This is explained by the fact that the dog is an antricial sort, not precocial. The difference lies in the different neurological development from birth. L'antricial it is stimulated by the external environment from birth onwards, in fact, puppies do not see, do not hear and do not have a developed sense of smell. THE young of the precocial species, instead, they begin to develop from a neurological point of view already in the uterus. For the horses it happens like this.

When we talk about the dog's sense of smell we must imagine smells as clusters of molecules that stimulate living beings in their receptive organs. These odorous molecules reach the brain via the nose which is moist, so they must be small and soluble.

If we think about the nose of our dogs, it has some nostrils capable of receiving molecules and let them settle in the mucosa. The air that passes during normal breathing passes through the mucosa soaked in odor molecules and the transforms into electrical signal. The olfactory nerve it just sends the message to the brain.

Dog sense of smell: how to develop it

Every day, in every corner, the dog's sense of smell finds a way to be used and developed. It is not necessary to invent who knows what exercises for these animals. The daily activities, walks, some sports or attending different environments can certainly expand the "database" of odors.

There are also experienced dogs, able to follow trails, those who they pass tests of utility and defense or trained to search for explosives or drugs, or even missing people. You can also think of molecular dogs who are certainly subjected to a particular training that multiplies the effectiveness of a dog's sense of smell that is already extremely developed. When this is not the case, on the contrary, the animal it is absolutely unable to perceive odors, so we speak of anosmia.

Smell of the hunting dog

Speaking of the dog's sense of smell comes automatically think of particular breeds, to hunting ones. Distinctions can actually be made between the various types, based on the craniofacial conformation. The type hunting dogs Pointer, for example, they have a remote sense of smell, so to "grab" the smells, they keep their nose upwards by doing large inhalations.

On the contrary, they must stay with your nose stuck to the ground all those dog breeds like hounds, with mega-smell. They do short, head-down inhalations so as not to lose track.

Smell of the dog compared to man

We have already clarified that there is no comparison between the smell of a dog and that of man. You learn it as a child and that's why i puppies smell a lot more than babies which instead touch and look rather than smell. And sometimes they taste even when it's not the case!

The explanation lies in the numbers: the dog has about 225 million olfactory cells, we only have 15 million. There are also big differences between dog and dog but they are always at a much higher level.

The dog's sense of smell by Bloodhound breed it is among the most developed, thanks to the 4 billion olfactory cells in action. A nice way to start telling children how a dog's sense of smell works is to read with them "Dog's Nose ”by Caterina Ferraresi, illustrated by N. Moretti, suitable for ages 8 and up.

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