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Why Does My Dog Sniff Butts

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Why do dogs sniff butts?

Sniffing allows your dog to learn everything they need to know about the other dog. It is like looking at a Facebook profile. Your dog can learn where the other dog has been, what they have eaten and if they are in heat.

Why Do Dogs Sniff Each Others Butts?

When meeting and greeting another dog you may notice your dog’s tendency to sniff the other dog’s behind. While to us this behavior is appalling, it is a normal and healthy behavior for dogs. A dog’s nose is about 10,000 to 100,000 times more sensitive than a human’s nose and sniffing rear ends and other private parts is just a form of chemical communication between dogs. This is how a dog can learn about the other dog’s diet, gender, where they have been and emotional and sexual state. It is like reading a diary that was written with scent molecules and pheromones. Or perhaps a Facebook status about everything that dog did that day.

How Do Dogs Interpret the Smells?

Per Dr. George Preti from Monell Chemical Sense Center, dogs have anal sacs that contain the apocrine gland, which gives the dogs that wonderful dog smell. They are also the dog’s sweat gland. Yes, dogs do sweat that is how they get that doggy smell that we love so much!  They also have a sebaceous gland which secretes the smell of any acids that are inside your dog. These acids are influenced by the dog’s diet, health, and emotional state. So depending on what your dog eats and how healthy they are will influence what kind of smell is coming out of this particular gland. Using the smells from both of the glands, your dog can tell quite a bit about the other dog!

Do Dogs Get Overwhelmed by the “Poop” Smell?

Dog’s do not get distracted by the “poop” smell because of an organ called the Jacobson’s Organ. The American Chemical Society states that it is a second olfactory organ in the dog’s nose, that leads directly to the brain so the smell of poop does not overwhelm the dog’s sensitive sense of smell. This way the scent travels directly to the brain to be interpreted there.