Energy Function Food sources Requirement Basal metabolism: 50-60%>Protein <lyr 9~15% 110 kcal/kg/d Requirement for growth Carbohydrate yr, 20-30% 45~55% Reduce Food dynamic action >Fat35~45% 10 cal/kg/d 7-8% > Ig protein every 3 yr Requirement for physical =4 Kcal Ig Carbohydrate activity: 15-20Kcal/kg/d =4 kcal Energy lost in excreta Ig fat 10% 9 kcalFunction ➢ Basal metabolism: 50-60% ➢ Requirement for growth 20-30% ➢ Food dynamic action 7-8 % ➢ Requirement for physical activity: 15-20Kcal/kg/d ➢ Energy lost in excreta 10 % Food sources Requirement ➢ Protein 9~15% ➢ Carbohydrate 45~55% ➢ Fat 35~45% ➢ 1g protein = 4 Kcal ➢ 1g Carbohydrate = 4 kcal ➢ 1g fat = 9 kcal ➢ <1yr, 110 kcal/kg/d ➢ >1 yr, Reduce 10 cal/kg/d every 3 yr Energy