Why do Labrador retrievers lose hair? If a Labrador retriever suddenly loses a lot of hair and there are red spots and dandruff on the skin, it may be caused by skin diseases; malnutrition can also cause Labrador retrievers to lose hair. Hair should be supplemented with nutrition for Labrador; spring and autumn are the hair-moulting periods for Labrador dogs, and hair loss is normal at this time.

　1. Parasitic or skin disease infection

Parasites and skin diseases can cause Labrador skin to itch, causing the Labrador to scratch it with their claws or teeth, making the hair fall off easily. At this time, pet owners must first check whether the Labrador has parasites. If so, they can use external anthelmintics. If it is also accompanied by redness of the skin and an abnormal increase in dandruff, it may be infected with a skin disease such as ringworm, and it is best to take the dog to see a doctor.

　2. Malnutrition

Labrador dogs need to consume an appropriate amount of sugar, protein, fat, 20 kinds of minerals, 13 kinds of vitamins and other elements every day, but some pet owners will feed their Labrador dogs a lot of sausages. , or leftover meals, eating too much can easily cause dogs to be picky eaters, leading to malnutrition and nutritional imbalance, which can lead to hair loss. Therefore, for the health of dogs, the staple food must be mainly light, and try to choose low-quality dog ​​food. Natural dog food with low salt and oil and balanced nutrition.

　3. Normal molting period

In spring, summer, autumn and winter, Labradors tend to replace their hair with new hair to better adapt to the seasonal climate. At this time, pet owners will feel that it is always losing hair. If there are no abnormalities in the Labrador's spirit, appetite, body temperature, etc., it will be fine. The Labrador can be properly supplemented with nutrients to make it grow better hair.

4. Lack of sunlight

If a Labrador dog that has been kept in captivity for a long time does not receive sunlight every day, a large amount of hair will fall out. Ultraviolet rays are very beneficial to the growth and development of dog hair, so parents should take their dogs out to bask in the sun every day.