PMID- 2284162 OWN - NLM STAT- MEDLINE DCOM- 19910315 LR - 20081121 IS - 0031-3998 (Print) IS - 0031-3998 (Linking) VI - 28 IP - 6 DP - 1990 Dec TI - Energy expenditure and deposition of breast-fed and formula-fed infants during early infancy. PG - 631-40 AB - The energy intake, expenditure, and deposition of 40 breast-fed and formula-fed infants were investigated at 1 and 4 mo of age to explore possible differences in energy utilization between feeding groups. Energy intake was calculated from 5-d test-weighing records or pre- and postweighing of formula bottles, in combination with bomb calorimetry of the milks. Total daily energy expenditure (TDEE) was determined by the doubly labeled water method. Sleeping metabolic rate (SMR) and minimal observable energy expenditure were measured by indirect calorimetry. Activity was estimated as the difference between TDEE and SMR. Energy deposition was estimated from dietary intake and TDEE. Energy intakes were significantly higher for the formula-fed than breast-fed infants at 1 mo (118 +/- 17 versus 101 +/- 16 kcal/kg/d) and 4 mo (87 +/- 11 versus 72 +/- 9 kcal/kg/d) (p less than 0.001). TDEE averaged 67 +/- 8 and 64 +/- 7 kcal/kg/d at 1 mo and 73 +/- 9 and 64 +/- 8 kcal/kg/d at 4 mo for the formula-fed and breast-fed infants, respectively, and differed between feeding groups (p less than 0.04). SMR and minimal observable energy expenditure (kcal/min) were higher among the formula-fed infants at 1 and 4 mo (p less than 0.005). The energy available for activity and the thermic effect of feeding did not differ between feeding groups. Rates of weight gain (g/d) and energy deposition (kcal/kg/d) tended to be greater among the formula-fed infants at 1 and 4 mo (p less than 0.006).(ABSTRACT TRUNCATED AT 250 WORDS) FAU - Butte, N F AU - Butte NF AD - USDA/ARS Children's Nutrition Research Center, Department of Pediatrics, Baylor College of Medicine, Houston, Texas. FAU - Wong, W W AU - Wong WW FAU - Ferlic, L AU - Ferlic L FAU - Smith, E O AU - Smith EO FAU - Klein, P D AU - Klein PD FAU - Garza, C AU - Garza C LA - eng PT - Comparative Study PT - Journal Article PT - Research Support, U.S. Gov't, Non-P.H.S. PL - United States TA - Pediatr Res JT - Pediatric research JID - 0100714 SB - IM EIN - Pediatr Res 1991 May;29(5):454 MH - Basal Metabolism MH - *Breast Feeding MH - Calorimetry, Indirect MH - Energy Intake MH - *Energy Metabolism MH - Female MH - Humans MH - Infant MH - Infant Food MH - *Infant Nutritional Physiological Phenomena MH - Male MH - Milk, Human MH - Weight Gain EDAT- 1990/12/01 00:00 MHDA- 1990/12/01 00:01 CRDT- 1990/12/01 00:00 PHST- 1990/12/01 00:00 [pubmed] PHST- 1990/12/01 00:01 [medline] PHST- 1990/12/01 00:00 [entrez] AID - 10.1203/00006450-199012000-00019 [doi] PST - ppublish SO - Pediatr Res. 1990 Dec;28(6):631-40. doi: 10.1203/00006450-199012000-00019.