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Open Roads Forum  >  Around the Campfire  >  General Topics

 > Dogs Amazing Sense of Smell

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mr. ed

Amarillo, Texas

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Posted: 08/04/21 09:46am Link  |  Quote  |  Print  |  Notify Moderator

I don’t own a dog, but those who do may find this interesting.

Researchers say that dogs can use their sense of smell to detect the age, gender, and mood of other dogs. Dogs can even be trained to detect explosives and illegal drugs. While humans mainly use sight to investigate their surroundings, dogs use their sense of smell. They “read” with their nose.
Consider: A dog’s sense of smell is thousands of times more refined than ours. According to the U.S. National Institute of Standards and Technology, a dog “can detect certain compounds at parts per trillion. This feat is the equivalent of tasting about a quarter teaspoon of sugar dissolved in an Olympic-sized swimming pool.”
What accounts for the dog’s superior sense of smell?

A dog’s nose is wet and is therefore better able to capture scent particles.
A dog’s nose has two airways?—one for breathing, another for smelling. When a dog sniffs, air is directed to the part of the nasal cavity that contains scent receptors.

A dog’s olfactory region can measure 130 square centimeters (20 sq in.) or more, whereas a human’s measures only 5 square centimeters (0.8 sq in.).
A dog can have up to 50 times as many scent receptor cells as we do.All of this enables a dog to differentiate between the components of a complex scent. For example, we can smell soup, but a dog can detect every ingredient in the recipe, according to some experts.
Researchers at the Pine Street Foundation, a cancer research institute, say that the dog’s brain and nose work together to be “one of the most sophisticated odor detection devices on the planet.” Scientists are developing electronic “noses” to detect explosives, contraband, and disease, including cancer.


Mr. Ed (fulltiming since 1987)
Life is fragile. Handle with prayer.

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monkey44

Cape Cod, MA and Central Fla

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Posted: 08/04/21 10:04am Link  |  Quote  |  Print  |  Notify Moderator

I read a post - maybe even on RV.net - that states dogs are now being trained to detect human Covid carriers in a crowd ... like airports and sports stadiums.


Monkey44
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BCSnob

Middletown, MD

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Posted: 08/04/21 10:40am Link  |  Quote  |  Print  |  Notify Moderator

Meet the Dogs Sniffing Out Whale Poop for Science

Covid-Sniffing Dogs Are Accurate but Face Hurdles for Widespread Use

Using Scent Detection Dogs in Conservati........fic Literature Regarding Their Selection

* This post was edited 08/04/21 10:46am by BCSnob *


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Fizz

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Posted: 08/04/21 11:40am Link  |  Quote  |  Print  |  Notify Moderator

Read somewhere your dog knows you're soon to come home from work when your scent in the house has faded to a certain level. He starts to get anxious after that.

p220sigman

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Posted: 08/04/21 12:40pm Link  |  Quote  |  Print  |  Notify Moderator

I've worked with trainers and handlers for years. They all have told me that dogs can be trained to find anything that has a scent as long as you get the dog to understand what scent (or component of that scent) it is looking for. They are truly amazing to watch work.

wa8yxm

Davison Michigan (East of Flint)

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Posted: 08/04/21 05:14pm Link  |  Quote  |  Print  |  Notify Moderator

monkey44 wrote:

I read a post - maybe even on RV.net - that states dogs are now being trained to detect human Covid carriers in a crowd ... like airports and sports stadiums.


I have read that as well

I've seen Drug Detecting Dogs at work... well. actually.. for the dog.. it's "At Play" for to the dog it's a game.. kind of like 'Hide the ball" The dog is just having fun.

The Drug dealer...... not so much.

I've even petted a few of those dogs being as they are friends to people like me (NOT a Drug Dealer)


Home was where I park it. but alas the.
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after a semi "nicked" it. Still have the radios
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marpel

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Posted: 08/04/21 05:58pm Link  |  Quote  |  Print  |  Notify Moderator

As a former law enforcement dog handler, I can attest to their amazing ability to locate something/body by scent alone. Even though I was in the business for years, I would often find myself shaking my head over that ability. And pretty well every one of them had a way better work ethic than any human.

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