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Physiol Behav. 1975 Jan;14(1):43-6.

Effect of deprivation and time of refeeding on food intake.


The amount of food eaten in a two hour trial by male Sprague Dawley rats was recorded after periods of food deprivation up to 42 hr in length. Rats ate 50-78% more when refed during the dark phase than when refed during the light phase. This occurred even when light fed animals were fasted for longer periods than the dark fed animals. Rats eat in a rhythmic pattern after deprivation. These data are in good agreement with data previously reported and extend it by increasing the number of observations, increasing the length of deprivation, and comparing different age groups.

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