Why are chows tongues blue

Their tongues will turn blue when they are two months plus. However, we do know that in the s, London Zoo recorded them to have blue-black coloured tongues. So the Chow Chows have been around for a very long time dating back millions of years ago before that of paper and pen was ever invented.

From this time, the blue-black tongue became a unique characteristic to identify a purebred Chow Chow and is still used today. It could be little spots or even the whole tongue. The blue tongue is from extra pigment cells called Eumelanin found in the dog breeds DNA, and it defines each type of dog breed.

The strange blue tongue also seems to be shared by other animals as well as other dog breeds. Due to the Chow Chow being such an old and well-established breed, their uniquely colored tongue helps us identify purebred Chow Chows from those crossed with other breeds. A Purebred Chow Chow will always develop the blue-black tongue between 8 and 10 weeks of age.

A Chow mix may develop spots of blue-black or no spots at all. This method of identifying purebreds and crossbreeds is one unique to the Chow Chow. No other dog breed can have their pedigree determined by a factor as simple as tongue coloration.

So many different animal species have this unusual coloring. Some are well known and the reasoning has been proven. For others, the blue-black tongue is still a mystery. Large mammals such as Giraffe, Okapi same family as giraffe and Polar Bear all have blue-black tongues. Some are paler tones, while others have almost black tongues.

For the Polar Bear, it is widely believed that the darker tongue color helps reduce heat loss from the body due to living in such cold temperatures. For Giraffes and Okapis, the reason is unknown. It is possible that they simply have a higher number of pigmented cells that other animal species. A solid black mouth is ideal. The top surface and edges of the tongue a solid blue-black, the darker the better.

Disqualifying Fault — The top surface or edges of the tongue red or pink or with one or more spots of red or pink. While a blue-black tongue could mean that a dog has Chow Chow in his bloodlines, these spots are also found periodically in many pure breeds, including Newfoundlands and Labrador Retrievers. Chow Chows are not born with blue tongues. In fact, Chow Chow puppies have pink tongues, just like other breeds. The blue-black color develops as their eyes open.

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