关键词: 达乌尔黄鼠, 食性, 塞北管理区

Abstract:

Objective To determine the feeding habits of Spermophilus dauricus Brandt in the north frontier administration areas of Hebei province, providing the basis for plague prevention and control as well as rodent damage assessment. Methods The S. dauricus Brandt of different habitats were captured and randomly sampled by male, female, adult and infant. The subjects’stomachs were weighed, and dissected for analysis of the contents and respective proportion of the components. Results The average stomach weight was 10.48 g, and the maximum was 40.50 g. A total of 80% of the sample stomachs contained mainly the green parts of plants, 7% contained mainly seeds and rootstalks, and 9% contained mostly insects. Different composition of the stomach contents was noticed between June and July and between adults and infants, albeit not found between males and females. Conclusion S. dauricus Brandt has a big appetite and intakes mainly vegetable foods, including agricultural crops and the green parts of pasture, and often insects, seeds and rootstalks. The food composition varies with environment.

Key words: Spermophilus dauricus, Feeding habits, North frontier administration area