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My indoor cat gained weight. What's the best diet and amount?

Updated On September 23rd, 2025

Pet's info: Cat | Domestic Shorthair | Female | spayed | 4 years old | 17.6 lbs

Hello,my cat initially weighed 16 lbs upon adopting. Now she is 17.6 lbs. Her current diet is Blue Buffalo Nature's Evolutionary Diet Chicken, it is rated as 410 kcals/cup. We have been feeding her 3/4 of a cup (recommended for 14lb cat) with some treats. She is an indoor cat with no known medical issues. On average we try to exercise her ~15 minutes each day but lately she hasn't been as interested with her toys. We are considering lowering her food to 1/2 cup

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1 Answer

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Answered By Dr. Strydom, DVM

Veterinarian

Published on February 29th, 2020

Yes, you should definitely cut the food back. If she seems overly hungry when you cut the food back you may need to talk to your vet about putting her on a prescription weight loss diet. Prescription diets are low in calories (so they can eat more of it) and it is very filling (they are high in fiber). If she doesn't lose weight I would be very worried about her developing diabetes. Remember, you need to feed the amount of food recommended on the bag for their IDEAL weight. Ideally she should be between 10-12 pounds. The average indoor cat should have 20 calories per pound so you should only be feeding her 200-240 calories per day INCLUDING her treats.

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