The food should be high in calories and protein.
High-calorie foods are essential for helping your underweight cat gain weight. Some good options include wet food, canned food, and high-protein dry food.
It is important to choose foods that are easy for your cat to digest. This will help to prevent them from getting sick.
It is also important to choose foods that are appealing to your cat's taste. This will make them more likely to eat and gain weight.
The amount of food you feed your underweight cat will depend on their individual needs.
Feed them more frequent meals.
If your cat is still underweight after trying these tips, talk to your veterinarian. They may be able to recommend other ways to help your cat gain weight.