Abstract
Ground squirrels and marmots, which are popular animals for studies of hibernation and torpor, have endogenous (circannual) rhythms of mass, torpor, molt, nest building, water consumption, and probably other processes. Methods for physiological research must recognize the existence of endogenous changes. Many brief studies ignore these rhythms and thus produce ambiguous or misleading results. For valid results use only known-age individuals and keep them on natural day length (12 h light : 12 h dark is free runnng). In addition, determine the rhythms under wild conditions, the relation of torpor to sex and age, and the influence of disease on torpor.
Publisher
Canadian Science Publishing
Subject
Animal Science and Zoology,Ecology, Evolution, Behavior and Systematics
Cited by
9 articles.
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