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Differences in growth and body composition resulting from four feeding intervals (ad libitum, skip-a-day, daily, or hourly) under dietary restriction between Days 8 and 14 posthatch were investigated with 1,536 male broiler chicks in 32 floor pens. Restricted birds were fed equivalent to [BWfe)]" 67 kcal/day. On Days 0 to 7 and 15 to 56, all chicks received feed ad libitum. The diet contained 22% protein and 3,072 kcal/kg. During the week of restriction, weight gain per chick was 204,25, 18, and 16 g, respectively, for birds receiving feed ad libitum, skip-a-day, daily, and hourly. Restricted chicks lost fat (hourly lost most, daily intermediate, skip-a-day the least) but gained protein (approximately 6 g per chick). On Day 56, BW of restricted chicks was not significantly different from one another, but was significantly less (270 g) than that of full-fed birds. Final body composition expressed as a percentage of BW was largely unaffected by treatment. No compensatory growth was observed. (Downloaded from REFERENCES Ashworth, A., 1969. Growth rates in children recovering from protein-calorie malnutrition. Br. J. Nutr. 23: 835-845.

The habitual intake of 20 healthy free-living subjects was determined by two 7-day food records. Documented fatty acid intakes were utilized to examine the influence of fatty acid intake on fatty acid composition of stored and structural lipids in subcutaneous adipose tissue. Subjects with higher intakes of saturated fatty acids exhibited increased levels of total saturated fatty acids and decreased polyunsaturated fatty acids in adipose tissue triglycerides (p less than 0.01). The dietary P/S ratio was significantly related to the saturated and polyunsaturated content of stored lipids. In the phospholipid fraction, relationships were found between dietary C18:2(6) and the P/S ratio of phosphatidylcholine (p less than 0.05). The essential fatty acid content of the two phospholipids studied was related to the dietary fats consumed. Relationships were identified between major fatty acids in the triglyceride and phospholipid fraction. Although diet was found to relate to fatty acid composition, the structural lipids in human adipose tissue appear more resistant to compositional change than stored triglycerides.

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