大仓鼠的食性与食量研究

The food and food consumption of greater long—tailed hamster(Cricetulus triton)

对陕西省临潼县渭河滩地大仓鼠的食性、食物选择程度、日食量及贮粮情况进行了观察研究.结果表明,大仓鼠是一种主要以农作物种子为食,兼食一些小型无脊椎动物的杂食性动物.不同季节鼠胃中均以作物种子出现率最高,动物性食物在4月及8—9月份出现率高于其它各月,在作物未成熟及收获后的4、6月及11月,大仓鼠最喜食的作物种子是花生和豆类.幼鼠日食量为12.2g,成年鼠为15.1g,成年鼠的日食量显著高于幼年鼠.未成年鼠贮粮量较少或不贮粮,成年鼠贮粮较多.

The food and food consumption of the hamster are studied.The work is carried out in the laboratory and in Guanzhong plain,Shaanxi Province from April to November,1985. The hamster primarily lives on crop seeds,and eats some insects and a few leaves and stems of green plants.There are 20 species of animals and 10 species of plants in the food of the hamster.The crop seeds in the food of the hamster occure at the highest frequency in different seasons.The food of animals in freqency are higher in april and August- September than other months.The leaves and stems of green plants in the food of the hamster primarily apear in April,July and November when the crops are not ripe or had been reaped.The hamster prefer soybean and peanut.The average daily food consumption of the hamster is 12.2g in Juvenile and 15.lg in Adult.The storage begins in August,but the juveniles store few grains.The average storage in adults is 1067.8g.