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Dogs have ear mobility that allows them to rapidly pinpoint the exact location of a sound. Eighteen or more muscles can tilt, rotate, raise, or lower a dog's ear. A dog can identify a sound's location much faster than a human can, as well as hear sounds at four times the distance. [41] Dogs can lose their hearing from age or an ear infection. [42]
A dog's coat is composed of two layers: a top coat of stiff guard hairs that help repel water and shield from dirt, and an undercoat of soft down hairs, to serve as insulation. [1] Dogs with both under coat and top coat are said to have a double coat. Dogs with a single coat have a coat composed solely of guard hairs, with little or no downy ...
Dogs have a wide range of coat colors, patterns, textures and lengths. [1] Dog coat color is governed by how genes are passed from dogs to their puppies and how those genes are expressed in each dog. Dogs have about 19,000 genes in their genome [2] but only a handful affect the physical variations in their coats. Most genes come in pairs, one ...
The dog then causes further trauma to the skin by itching and rubbing at the area, leading to a secondary bacterial infection." Acute moist dermatitis: Symptoms A patch of moist, inflamed skin ...
Dog with atopic dermatitis, with signs around the eye created by rubbing. Atopy is a hereditary [3] and chronic (lifelong) allergic skin disease. Signs usually begin between 6 months and 3 years of age, with some breeds of dog, such as the golden retriever, showing signs at an earlier age.
With an estimated 10% of all canine visits to veterinarians attributed to skin problems and nearly 20% of dogs worldwide affected by allergic skin conditions, the importance of a tailored diet ...
A Tricolor (black, white, brown) Shih Tzu in show coat.. The Shih Tzu is a sturdy little dog with a small snout and normally has large dark brown eyes. The Chinese have described their head shapes as "owl head" and "lion head", and their mouth as "frog mouths" and their lips as "earthworm lips". [2]
An uncommon but severe breed-specific skin condition, hyperplastic dermatosis, may affect West Highland White Terriers of any age. Affected dogs can suffer from red hyperpigmentation, lichenification, and alopecia. In the initial stages, this condition can be misdiagnosed as an allergy or less serious forms of dermatitis. [15] Westie puppy