General Management. Feeding.

Adult cats require less food in proportion than kittens, for two reasons. One is this: a kitten is growing, and therefore extra bone, flesh, skin, hair, and all else has to be provided for; while in the adults, these are more or less acquired, and also they procure for themselves, in various ways in country or suburban localities, much live and other food, and no animal is the better for over or excessive feeding, especially if confined, or its chances of exercise contracted.

Fonte: Cats