Why does the puppy's coat turn yellow? It is normal for the puppy's coat color to change as it grows up. The color becomes lighter or the hair is different in different parts; the color of the puppy will be lighter in summer than in winter. It may be the result of temperature or sun exposure; the older the puppy, the easier it is for the coat to become lighter.

1. The complexity of dog coat color: Even if you see how the dog’s parents have perfect coat color before buying a dog (sometimes you see that the perfect coat color is actually dyed), there is no guarantee of its offspring. Coat color is 100% heritable, which is also related to appearance. Generally speaking, it is normal for a puppy’s coat color to change as it grows up, such as becoming lighter in color, or changing from a solid color to a variety of colors. possible. If you observe carefully, you will find that even a dog that looks purely black has different hair on different parts of its body. There are even a mixture of several dark colors, but most of them are black.

2. Dogs’ coat color is lighter in summer than in winter: I don’t know if it’s the result of temperature or sun exposure, but in short, dogs’ coat color will be lighter in summer than in winter.

3. Age will also affect the lightening of the dog's coat color: the older the dog, the easier it is for the dog's coat color to become lighter, especially on the face, which is very obvious, usually around the eyes and mouth. It will turn white, commonly known as "old white hair".

4. Changes in coat color may be related to the health of dogs: Smoking has an impact on dogs. Black cocaine is caused by long-term second-hand smoke and eating cigarette ash. The black hair in many parts of the body has turned white. Although it is relatively Each case, but it shows that sudden abnormal changes in dog coat color are related to health.