The energy cost of fat and protein deposition in the rat.


1. Measurements were made of energy balance by direct calorimetry, and of nitrogen balance in groups of lean and congenitally obese ('fatty') Zucker rats at body-weights of 200 and 350 g given a highly digestible semisynthetic diet at 14-0 or 18-4 g/rat per 24 h. 2. Losses of food energy and N in faeces were very small. The fatty rats lost much more N in… (More)

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