The black barbs in the middle of a cat's tongue may be due to the following 6 reasons:

1. Pigmentation: It may be just the cat's normal pigmentation.

2. Caused by tumors: The cat may be suffering from some tumorous diseases, which causes the cat's tongue to turn black. You should take the cat to the pet hospital for treatment in time.

3. Caused by food: It may be that the cat has eaten black food, causing the food pigment to remain on the cat's tongue. After a period of time, it will automatically fade and return to normal.

4. Bacterial infection or certain oral inflammation: Bacterial infection or certain oral inflammation can cause the cat's tongue to turn black. It is recommended that the cat be sent to a regular pet hospital for examination and treatment.

5. Malnutrition: Poor quality cat food can lead to malnutrition. It is recommended to replace it with better cat food.

6. Caused by drugs: It is recommended to temporarily stop taking medication and consult a pet doctor for countermeasures.

When the owner finds that the cat's tongue is black, he should first observe whether the cat has other abnormalities. If there are no abnormalities, it is normal. If the cat has other abnormalities, he should be sent to the pet hospital for examination immediately. treat.