Abstract
We examined the metabolic rate of captive female white-tailed deer (Odocoileus virginianus) to determine if the seasonal rhythm now presumed for this species is a physiological adaptation or an artifact of earlier experimentental designs. Indirect respiration calorimetry was used with 4 yearling does in a series of trials designed to determine fasting metabolic rate during each season. Only metabolic rates from bedded animals were used in analyses and care was taken to ensure that seasonal comparisons were made among values within the thermal neutral zone. Contrary to earlier findings, no differences (P>0.76) were observed among summer, winter, and spring fasting metabolic rate (87, 85, and 90 kcal/kg BM 0.75 /day, respectively)
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