Potassium Requirement of the Growing Rat

Potassium Requirement of the Growing Rat

On the basis of maximum weight gain in weanling male rats fed a semipurified diet for 21 days, the requirement for potassium was found to be 0.23% of the diet. This compares with the NRC requirement of 0.18%. The higher requirement is believed to be due to the greater rate of growth, 6.6 to 7.0 g/da...

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Veröffentlicht in:The Journal of nutrition 1977-08, Vol.107 (8), p.1394-1398
1. Verfasser: Bieri, John G.
Format: Artikel
Sprache:eng
Schlagworte:
Age Factors
Animals
Diet
Male
Nutritional Requirements
Potassium - metabolism
Potassium Chloride
potassium requirement, rat
Rats - growth & development
semipurified diet, rat
Sodium Chloride
Species Specificity
Structure-Activity Relationship
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Zusammenfassung:On the basis of maximum weight gain in weanling male rats fed a semipurified diet for 21 days, the requirement for potassium was found to be 0.23% of the diet. This compares with the NRC requirement of 0.18%. The higher requirement is believed to be due to the greater rate of growth, 6.6 to 7.0 g/day, compared with that obtained in older studies on which the NRC estimate was based. The higher potassium level also improved efficiency of food utilization.
ISSN:0022-3166
1541-6100
DOI:10.1093/jn/107.8.1394