A. Based on a weight of 83 lbs which is 37.7 k.
The calculation for Resting Energy Requirements is RER (70 x BW(kg)^0.75), so this would calculate to be 1,065 calories per day for your pet. However this is just a starting point and there is a high level of error (~+/-50%) with this calculation from pet to pet. I would recommend talking to a nutritionist if your pet has specific metabolic needs, especially if she has a disease process or illness.
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