Abstract
Forty-eight female rats were randomly assigned in equal numbers to an eight-day 0, 20, 23, 23.5, 46-hour food deprivation schedule, or complete starvation, followed by two weeks of ad lib refeeding. Two of the completely starved subjects died. Due to decreased metabolic need of the animals after weight loss, daily food intake was considered relative to body weight. Water consumption relative to body weight increased by the end of deprivation except for animals unadapted to deprivation. The major findings during refeeding were: (a) post-starvation anorexia does not occur after any form of starvation (scheduled or complete) when body weight is considered; (b) instead of being highest on the first day of refeeding, food consumption slowly increases to a maximum and then returns to ad lib control level; (c) the more severe the deprivation, the longer time for food consumption to reach its maximum and return to control levels; (d) the more severe the deprivation, the greater the maximal food consumption.
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