Whether a cat will develop gills after eating chicken liver depends on whether the cat has a round face gene. Cats with round face genes can better supplement their nutrition by eating chicken liver, which is very helpful for hairy cheeks. Cheeks in cats are related to genes. Round-faced cats such as British Shorthair and Exotic Shorthair cats usually have cheeks, while most other breeds of cats do not have cheek genes. Even if they eat very fat, their faces will still be pointed, such as Oriental Cats, Siamese cats, etc.

Benefits of cats eating chicken liver:

1. Chicken liver is rich in protein, trace elements, and vitamins. Cats eating chicken liver can supplement their body nutrition. Protects eyesight and is also good for skin.

2. Cats prone to colds and diarrhea can take advantage of the high vitamin A content of chicken liver to maintain the integrity of respiratory and digestive tract epithelial cells and enhance the body's resistance.

3. For cats with poor appetite or those who are seriously ill and have no appetite, the good palatability of chicken liver can be used to stimulate appetite and gradually restore digestive tract function.

4. For cats with poor nutrition or thin constitution, the high protein content in chicken liver can increase their nutrition and enhance their physical fitness.

5. Chicken liver is also one of the cat’s foods, which can provide energy to the cat when it is hungry.