ハムスターおよびスナネズミの飲水行動量(リッキング回数)の日周期リズム

概要

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Drinking behaviors were investigated in male Syrian hamsters and Mongolian gerbils (12-22 weeks old) by counting number of licks in a light-dark cycle of 14:10 hours per day for 10 days. The results were compared with those of the mice in our previous study (Saito et al., 1980). Drinking intervals of the hamsters and gerbils were longer in the light phase than those in the dark phase. The hamsters showed slightly increased licking activity around the time the lights were turned on and off, but it was not as prominent as compared to the mice. There was no significant difference in the licking activity between the light and dark phases in the gerbils. It is suggested that hamsters and gerbils may not show a definite pattern of drinking activity like that observed in the mice.
社団法人日本動物学会の論文
1981-06-25