The reasons and solutions for a small patch of bald hair on a hamster's head:

1. It is probably because the hamster is in the molting season. At this time, the hair on the hamster's body It will gradually fall out and be replaced, so the breeder does not need to worry, there will be no problem when new hair grows out.

2. When hamsters get too old, they will also become bald. This is a very common phenomenon.

3. Hair loss can also occur when there is something wrong with a hamster’s diet, such as malnutrition or overnutrition. A large amount of salt in the food can also cause hair loss. Hamsters cannot eat the same food as humans. Breeders Be sure to pay more attention.

4. When the skin on the hamster’s head suffers from skin diseases, it will also cause the hair on the hamster’s head to fall off. Breeders need to pay more attention to prevent the hamster’s disease from seriously spreading to the whole body, and should go to the pet hospital in time. Carry out diagnosis and treatment.

5. If the breeder places the hamster cage in direct sunlight for a long time, it will also cause the hair on the hamster's head to fall off. Because the temperature of direct sunlight is too high, the hamster's hair will fall off in order to achieve the effect of heat dissipation. . Keepers should place the cage in a cool and ventilated area.

6. It may be bitten by bugs or similar species. Breeders need to pay attention to whether the hamsters are fighting, and they should also clean the breeding environment frequently and perform disinfection and deworming treatments.