Feeding amount by weight
RER/MER — daily energy need of a dog or cat by weight and status, in grams of food
Animal
Food per day
MER (daily need): 722 kcal · RER (resting metabolism): 451
201 g
100 g × 2 meals
RER = 70 × kg^0.75; MER multipliers per WSAVA/NRC. Grams = MER ÷ food kcal/g (on the label). Adjust by body condition score — ribs should be palpable but not visible.