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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 ...
Research indicates that the majority of variation in coat growth pattern, length and curl can be attributed to mutations in four genes, the R-spondin-2 gene or RSPO2, the fibroblast growth factor-5 gene or FGF5, the keratin-71 gene or KRT71 [15] and the melanocortin 5 receptor gene (MC5R). The wild-type coat in dogs is short, double and straight.
A melanistic mask (also referred to as a mask or masking) is a dog coat pattern that gives the appearance of a mask on the dog's face. The hairs on the muzzle, and sometimes entire face or ears, are colored by eumelanin instead of pheomelanin pigment. Eumelanin is typically black, but may instead be brown, dark gray, or light gray-brown.
One version produces yellow dogs, and a mutation produces black. All dog coat colors are modifications of black or yellow. [2] For example, the white in white miniature schnauzers is a cream color, not albinism (a genotype of e/e at MC1R.) Today, dogs exhibit a diverse array of fur coats, including dogs without fur, such as the Mexican Hairless ...
Aretha Franklin in a sapphire mink coat before a performance. Mink fur is the most popular fur traded worldwide. [32] Its fur is durable, and the hairs are rather short, but very thick and soft. The guard hairs do not break readily, and the underfur does not tend to become matted.
Some dogs may be in need of an extra layer of warmth when going out in the winter, depending on their size, age and fur length, according to several veterinary experts.
Coat type: “The longer-hair breeds do better with a firm, extra-long pin slicker brushes,” says Wynona Lynch, a dog groomer at VCA Mountain View Animal Hospital. Short-haired breeds, on the ...
The coat is black and white with hair of medium length. Due to the nature of the piebald gene, the amount of black in an individual's coat pattern is highly variable, ranging from predominantly white to predominantly black. Markings occur as solid black patches, with black ticking or roan filling in the white fur in varying degrees of ...