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在北京宣武区(城区)和大兴县大皮营乡(农村)各选择25名新生健康婴儿,跟踪观察其在生后0～6月内的母乳、热能和蛋白质摄入量和体格的生长发育情况。结果表明:两组婴儿每日摄入母乳量平均为600～800g,农村婴儿母乳摄入量高于城区;婴儿的热能摄入量在生后的第1月为109kcal/kg体重,到第3和第6月分别为78和65kcal/kg体重;蛋白质摄入量在第1月时为2.1g/kg体重,以后则维持在1.5g/kg体重;两组婴儿的身长,体重和头围生长曲线在NCHS的25～75百分位,上臂周、三角肌和腹部皮褶厚度也都在正常范围内。以上结果说明:所调查的两组婴儿的体格生长正常,但其在3～6月期间摄入的热能和蛋白质则远低于我国或WHO/FAO(1973)的供给量标准,这与Whitehead所报告的发达国家的情况是一致的。说明现行的婴儿热能和蛋白质供给量标准可能过高。应适当降低。
Twenty-five freshmen healthy infants were selected from Xuanwu district (urban district) in Beijing and Dapiying township (rural area) in Daxing county to observe the growth and development of breast milk, heat energy and protein intake and physical growth within 0 ~ 6 months after birth Happening. The results showed that the average daily intake of breast milk in two groups of infants was 600 ~ 800g, and the intake of breast milk in rural infants was higher than that in urban areas. The infants’ calorie intake was 109kcal / kg body weight in the first month after birth, And 78.65 kcal / kg body weight respectively at the 6th month; the protein intake was 2.1g / kg body weight at the 1st month and 1.5g / kg body weight thereafter; body length, body weight and head circumference growth The curve is in the NCHS 25 to 75 percentiles, upper arm circumference, deltoid and abdominal skin fold thickness are also within the normal range. The above results indicate that the physical fitness of the two infants was normal, but the energy and protein intake during March to June was much lower than the supply standards of our country or WHO / FAO (1973) The situation in developed countries reported is the same. Indicating that the current baby’s heat and protein supply levels may be too high. Should be appropriately reduced.