Dogs and Their Incredible Sense of Smell
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While sight is probably the dominant sense for humans, in canines the sense of smell is dominant. This isn't accidental. Dogs are designed to be scent-dominant. While the human brain is dominated by a large visual cortex, a dog's brain is dominated by an olfactory (smell) cortex. In relation to the size of its brain, the olfactory cortex in a dog is 40 times greater than that in humans.
Because of this, a canine's sensory world is composed of many good and bad odors that intermingle and constantly change. Humans cannot detect cialis review online most of these scents. The sensory world of humans is very different than a dog's. I have a Lab and a Basenji. I cialis no rx have observed that when I toss out some food scraps into our yard, our dogs don't look for them by sight. At first glance, it seems buy Probalan online a bit odd that, although the scraps are in plain sight, both my dogs search for them by smelling the ground.
But it only seems strange because we humans live in a completely different sensory world than canines. If we had to depend on finding things by smell, we would be almost entirely helpless. Without their sense of smell, dogs would be in a similar position. It is only natural for dogs to look for food by smell rather than by sight.
A Dog's Sense of Smell: Beyond Incredible
In truth, a the canine sense of smell is around fifty to one hundred times stronger than is that of us humans. In reality, canines can discriminate between scents at concentrations nearly 100 million times lower than can humans. They can detect the presence of a tiny drop of blood in two gallons of water. Outdoors, the more air flow there is, the more scents dogs will be able to pick up.
The other day, I threw out a piece of pizza crust on top of the snow for the birds that come to our bird feeders. Because there was plenty of bird seed in the feeders and even more spread on the online Camagra buy without prescription cheap ground, the birds ignored the pizza crust. Afterwards, we received more than a foot of snow at our house, and the snow totally buried the pizza crust. In reality, I assumed that the birds had eaten it. Today, our pet Basenji walked over to the bird feeders when my wife let her out to play. She instantly smelled something, and she quickly buried her head in the snow. I thought perhaps there was a vole down there or something similar. But soon she came back out, displaying the crust in her jaws. Even though it was old and stale, being buried under a foot or more of snow, she instantly caught the scent merely from walking by.
She and I have turned this into a routine. I hide dog biscuits somehwere in our yard, and she finds them using her nose alone. I prefer to use dog treats that I have prepared myself. If you would like to save money by making your own dog biscuits, you can find free recipes at homemade cialis professional review dog treats.
Dogs: Man's Best Friend
It didn't take humans long to appreciate a dog's keen sense of smell and put it to man's use. For centuries, men have used dogs in hunting. In our day, dogs have been used to find escaped convicts and missing persons. A scent hound and many other canine breeds can follow a person's scent although it's several days old. Even a normal rain won't wash the scent away.
Recently, dogs have been trained to sniff out illegal drugs and explosives. A person can place the drugs or explosives in an airtight container with other strong odors all around it. Nevertheless, a drug-sniffing hound will have no trouble pinpointing the illegal drugs.
Sometime in the future, a dog may save your life or protect you from injury. It may be your own pet dog. Some dogs have detected cancerous tumors in their owners. So treat your pet dog as you would treat a friend. Reward your dog with a good place to live, a nutritious diet, lots of attention, and lots of dog treats.
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