摘要
华中地区农村小家鼠(Musmusculus)的个体较小,主要栖息于农舍,终年繁殖,繁殖高峰期为7月和8月,1-3月为繁殖低谷期;种群数量高峰在9月,低谷期在7-8月,冬季的种群数量水平较高,呈后峰型。在较高的密度条件下,雌鼠的怀孕率降低,性成熟延缓。
The biological characteristics and the population dynamics of the house mouse(Mus musculus)in centre China were investigated from October,1986 to 1990.The body size of this mouse was a small. It mean body weight of male was only 13.84±2.7g and that of female was 16. 27±3.6g.The favorite habitats of the house mouse was farmer's house,The captuere rate by snaptraps in farmer's house and fields was 5.2%and 0. 12%respectively. The house mouse breed all year round and it main breeding season was in summer (July-August).The population peak was in autumn(September)and had a high population density in winter.The preg-nant rate was low when the population density was high.
出处
《兽类学报》
CAS
CSCD
北大核心
1994年第1期51-56,共6页
Acta Theriologica Sinica