The cat eats a lot but is very thin. It may be that it is infected with internal parasites, and the nutrients it eats are taken away by the parasites. Secondly, it may be because cats’ usual diet is relatively simple and lacks fat and protein, so they can’t get fat no matter how they eat. Furthermore, if the cat’s intestines and stomach are relatively weak and sensitive, and they often have loose stools and loose stools, it will be difficult for them to gain weight due to poor absorption. In addition, if cats suffer from diseases such as diabetes, gastroenteritis, hyperthyroidism, etc., they will also lose weight day by day. If the owner finds that the cat has been exhibiting this phenomenon for a long time, it is recommended to seek medical treatment in time.

1. Parasitic infection

If the owner does not deworm the cat for a long time, after the cat is infected with internal parasites such as tapeworms, roundworms, hookworms, and coccidia, the parasites will continue to rob the cat of nutrients, so no matter how much the cat eats, it will still The cat will be very thin, and as the number of parasites increases, the cat may also experience symptoms such as vomiting, soft stools, and loose stools. Therefore, owners must deworm their cats regularly. It is generally recommended to conduct internal deworming every three months and external deworming every month.

2. Single diet

If the cat usually eats too single food, such as only cat food, due to unbalanced nutrition, the cat will not gain weight no matter how much he eats. Therefore, it is recommended that owners usually choose a cat food with a relatively high protein content as the staple food for their cats. They can also occasionally feed their cats some nutritious foods such as chicken, beef, and nutritional paste to meet their cats’ growth needs.

3. Bad gastrointestinal condition

If the cat's intestines and stomach are relatively weak and often suffer from diarrhea and vomiting, then no matter how much they eat, they will still be weak if the nutrients cannot be absorbed into the body. For cats with a weak gastrointestinal tract, it is recommended that owners choose some foods that are easy to digest and absorb, and pay attention to eating small meals frequently to avoid increasing the burden on the cat's gastrointestinal tract. In addition, owners can also feed cats an appropriate amount of probiotics to help cats regulate their gastrointestinal tract.

4. Sick

Many diseases in cats can cause weight changes, such as diabetes, gastroenteritis, hyperthyroidism, etc. These diseases will affect the cat’s absorption of nutrients, and many of the nutrients ingested will be lost through secretion, so the cat may suffer from You will eat a lot when you are hungry, but you will not gain weight no matter how you eat, and your energy will also be affected. Therefore, if the owner finds that the cat has other abnormal symptoms, such as listlessness, diarrhea, polydipsia and polyuria, etc., then he needs to go to the pet hospital for examination and treatment in time.