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Abstract
The nitrogen balance in hepatectomized adult rats fed with either a low-protein diet (4%) or a normal-protein diet (18%, and fat digestibility in the same animals fed with a normal fat diet (4%), were studied:
1) The functional recovery of the liver was complete one month after partial hepatectomy, with regard to the parameters consideed.
2) The negative effects of the hepatectomy on the nitrogen balance are transient; after three days it becomes normal.
3) These effects that are inespecific, are conditioned by the stress situation and the surgical damage and mediated by change both in levels of intake and nitrogen urinary excretion.
4) The slight and transient alterations in the physiological parameters above mentioned, can be explained by the great functional residual capacity of the rat tliver and its unusual regeneration rate
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