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This table is based upon a dog's Resting Energy Requirements or RER. The RER is the basic amount of energy that a dog would use in a day while remaining at rest. The formula to calculate RER for animals between 2 and 45 kg (5 - 99 pounds) is: RER in kcal/day = 30(body weight in kilograms) + 70. Any activity or variable other than rest will require an increase in energy (RER) and an increase in calories to meet the energy needs. Realize that these numbers are not a reflection of maintenance calories but of resting energy levels.
Your Basal Metabolic Rate (BMR is the amount of calories you would burn if you were asleep all day. The Harris Benedict Equation determines your total daily energy expenditure (calories). The BMR formula uses the variables of height, weight, age and gender to calculate the Basal Metabolic Rate (BMR).