Rabra What to do if a Labrador
Labrador's red nose is related to temperature and genes

We can see that it is normal for Labrador's nose to be black, but many owners will find that this is not the case. Many times, Labrador's nose does not appear black, but appears like this The situation is related to many factors. Some Labradors may have had black noses when they were young, but as they grow older, the color of their noses also changes. This is mainly related to their own genes, so it is difficult to change. However, We can still improve some cases of nose discoloration.

The reason why some Labradors do not fade is related to their own genes, and some are related to the external environment. We know that dogs In winter, the nose will fade. This is because it is related to enzymes. The enzyme that controls the production of melanin on the nose of yellow Labrador dogs is just different from tyrosinase and is not safe in low temperatures. Therefore, in low temperatures in winter, this enzyme The enzyme will stop the chemical reaction. The rate of transfer to eumelanin on the skin will slow down, and the melanin on the nose will gradually disappear. In addition, certain drugs or toxic substances are also one of the reasons for causing pigment fading.

Melanin is a black substance that produces color on the skin, eyes and hair of humans and animals. To protect the human body and animals against intense sunlight, two pigments have been found in Labradors

Eumelanin is responsible for the production of black The pigment, Phaeomelanin is the pigment that controls the red/yellow color breakout. It is important to note that Phaeomelanin is only produced in the cells that make up coat color and does not persist in the cells that make up skin.

Generally, Labrador’s noses are black or dark brown. If a Labrador’s nose is pink, it means there is no pigment and it is dry. Dudley nose, this condition will result in deduction of points during competition, but this does not prove that the dog is not a Labrador, but it lacks pigment.

What to do if Labrador
Sun exposure has certain changes in the fading of a dog's nose

About Dudley: Dudley is a yellow Labrador with recessive chocolate chromosomes. It can also refer to the nose or eye frames. The eye frames are pink and does not have any pigment. However, this is not actually the case. It's very rare. The possible cause of this phenomenon is genetic mutation, which is natural. However, one thing must be understood that even though having such a characteristic is not an ideal situation, it does not mean that it is a certain gene. Gradual change. There is no evidence that Dudley noses are related to poor health. It turns out that not only Labradors will die, but many dog ​​breeds will. Pink noses occur in dogs such as Samoyeds, Alaskan Malamutes, Huskies, etc. This is also due to changes in temperature, which leads to the occurrence of pink noses in many yellow Labradors who have black noses in summer and discolored noses in winter. It will fade and occur cyclically, almost every year.

This kind of pink nose is also called "Winter nose" or "Snow nose". "To distinguish between a pink nose caused by nose discoloration and another kind of pink nose called "Dudley", just look at the dog's eye sockets and mouth. Normal dogs have problems in these parts. It is melanin, while Dudley’s dog is pink or tan.

So the reason for the discoloration of Labrador’s nose is not only its own genes, but also the weather. It is caused by various reasons, so under normal circumstances, owners do not need to worry. Paying attention to nutritional supplements and sun exposure can lead to certain improvements.

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