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The dog sense of smell is the most powerful sense of this species, the olfactory system of canines being much more complex and developed than that of humans. [1] It is believed to be up to 10 million times as sensitive as a human's in specialized breeds.
Possessing heightened olfactory abilities, dogs, especially scent hounds, are able to detect, track and locate the source of certain odours. [1] A deeper understanding of the physiological mechanisms and the phases involved in canine scent tracking has allowed humans to utilize this animal behaviour in a variety of professions. [ 2 ]
Environmental enrichment can improve the overall welfare of animals in captivity and create a habitat similar to what they would experience in their wild environment. It aims to maintain an animal's physical and psychological health by increasing the range or number of species-specific behaviors, increasing positive interaction with the captive environment, preventing or reducing the frequency ...
Skin conditions in dogs are very common, so it's important to recognize the symptoms and understand the factors that cause them. Dr. Rebecca MacMillan, a vet with over 15 years of experience, says ...
The Human Olfactory Data Explorer (HORDE) is a database of human olfactory receptors. [1] [2] The database provides information of the human olfactory receptor families, [1] as well for dogs, platypuses, opossums and chimpanzees. [3] [4] The database is hosted at the Weizmann Institute of Science. [5]
Dogs have a significantly larger olfactory epithelium with 30 percent more olfactory receptors than humans. [24] Having more olfactory receptors that can recognize a much larger variety of odorants. Dogs rely on sniffing to gather past information on their surrounding environment though odor detection and identification allowing them to ...
Hyperosmia is an increased olfactory acuity (heightened sense of smell), usually caused by a lower threshold for odor. [1] This perceptual disorder arises when there is an abnormally increased signal at any point between the olfactory receptors and the olfactory cortex.
Coccidiosis is not usually a great threat to the dog’s health unless the dog is weak or has a low immune system. [8] In some cases infection is asymptomatic this is generally the case for adult dogs. In other cases mostly found in puppies and older dogs the coccidial parasite can cause anemia, weight loss, abdominal pain, vomiting, anorexia ...