Effects of Ethanol on Urinary Arginine Vasopressin Excretion in Two Rat Strains Selected for Their Different Ethanol Preferences

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Abstract
The effects of ethanol on urinary excretion of arginine vasopressin (AVP), sodium, and potassium were investigated in two rat strains specially selected for their different alcohol preferences. The alcohol preferring (AA) strain excreted more AVP and the water preferring (ANA) strain more urine and sodium during six hours after ethanol intubation (2.4 g/kg b.w.; 20% v/v). The data is insufficient to establish a causal relationship between differences in water and electrolyte metabolism and voluntary ethanol consumption.