Senior Cat Calories Per Day. O if your indoor cat weighs 10 pounds, then they should be eating approximately 200 calories per day. Some senior diets may have added levels of fiber, usually along with fewer calories, as a way to help the dog lose weight.
The average indoor cat should have 20 calories per pound to maintain weight. As a rough guide, a cat should have around 200g (7oz) of wet food a day (2 meals x 100g (3.5oz). Most senior cats will have about the same caloric needs as an adult cat—roughly 280 to 360 daily calories depending on the normal lean weight—as long as they are healthy.
Some senior diets may have added levels of fiber, usually along with fewer calories, as a way to help the dog lose weight.
If your cat is eating but still losing weight, something else is at play. Rer = 343 kcal per day for your cat. Although energy requirements vary greatly, protein needs are fairly constant, with adult dogs generally needing at least 1 gram per pound, and adult cats at least 2 grams per pound. Calories (kcal) required to meet 80% rer per day :