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本文对褐家鼠的正常活动和饲养条件引起的非震兆性异常活动进行了研究。结果如下:正常情况下褐家鼠的昼夜活动,日平均活动量(206次)的87%(179次)出现在19~h—06~h 期间,白天活动日均值仅为27次,并在22~h 和04~h 分别为活动峰值。同时,室内的昼夜活动特性基本上与室外活动相似,其日均值分别为86次和120次。半饥饿状态下,褐家鼠昼夜活动节律虽无明显变化,但室外活动明显增加,其日均值为室内活动的6.7倍,并为正常状态下室外活动日均值的1.5倍。饥饿状态下,褐家鼠室外活动和白天活动都明显增加,其日均值分别为正常值的2.3倍和3.6倍。同时,临死前一天的活动量达到峰值(1231次/日),即为正常活动日均值的6倍,而室外活动和白天活动的日频度分别为正常活动日均值的7倍和20倍。这些结果可为以临震预报为目的的动物行为观察,及其分析鼠等动物的异常行为与地震的关系提供某些依据。
In this paper, the normal activities of Rattus norvegicus and feeding conditions caused by non-earthquake trillion abnormal activity were studied. The results were as follows: Under normal conditions, the brown circadian rhythm of day-and-night rats was 87% (179 times) of the average daily activity (206 times) during the period from 19 h to 06 h, 22 ~ h and 04 ~ h, respectively, the peak activity. At the same time, the indoor day and night activities are basically similar to outdoor activities, with average daily values of 86 and 120 respectively. Under the condition of semi-starvation, the circadian rhythms of Rattus norvegicus did not change significantly, but the outdoor activities increased obviously. The daily mean was 6.7 times of the indoor activities and 1.5 times of the daily average of the outdoor activities under normal conditions. During the starvation period, Rattus norvegicus and Rattus norvegicus increased significantly in both outdoor activities and daytime activities, with daily mean values of 2.3 and 3.6 times normal respectively. Meanwhile, the peak of the day before dying (1231 sessions / day) is 6 times the daily average of normal activities while the outdoor activities and daytime activities are respectively 7 times and 20 times of the daily average of normal activities . These results may provide some evidences for animal behavior observation for the purpose of forecasting a quake and for analyzing the relationship between the abnormal behavior of rats and other earthquakes and earthquakes.