Calorie Content (calculated)(ME): 1143 kcal/kg; 421 kcal/can. Purina One Chicken & Brown Rice Entree is formulated to meet the nutritional levels established by the AAFCO Dog Food Nutrient Profiles for maintenance of adult dogs. Calorie Content (calculated)(ME): 1169 kcal/kg, 431 kcal/can. Purina One Beef & Brown Rice Entree is formulated to meet the nutritional levels established by the AAFCO Dog Food Nutrient Profiles for maintenance of adult dogs.