Influence of protein and fat content of diet on the body composition of piglets

Varying the level of dietary protein from 11 to 39% of the calories in a high-fat diet is without effect on body composition of the 8-week-old pig. Varying the level of dietary protein from 17 to 62% of the calories in a low-fat diet is without effect on body composition of the 8-week-old pig. With...

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Bibliographic Details
Published in:Pediatrics (Evanston) 1960-02, Vol.25 (2), p.242-247
Main Authors: FILER, Jr, L J, BAUR, L S, REZABEK, H
Format: Article
Language:English
Subjects:
Animals
Body Composition
Diet
Fats
Humans
Nutrition Assessment
Nutritional Status
Old Medline
Proteins
Swine
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Summary:Varying the level of dietary protein from 11 to 39% of the calories in a high-fat diet is without effect on body composition of the 8-week-old pig. Varying the level of dietary protein from 17 to 62% of the calories in a low-fat diet is without effect on body composition of the 8-week-old pig. With low-fat diets, the carcasses contained a higher percentage of protein, calculated from micro-Kjeldahl determinations, on a fat-free, dry-tissue basis. Liver and kidney weights were greater as percentage of protein in the diet increased. With the exception of three animals on Diet 5, electrolyte content of the carcass did not vary significantly. Highest and lowest protein content of the liven occurred with low-protein diets containing low and high percentage of fat, respectively. Extrapolation of these data to the nutrition of human infants is discussed.
ISSN:0031-4005
1098-4275
DOI:10.1542/peds.25.2.242