摘要
1985～1988年作者等在赣北安义农区研究了黑线姬鼠种群繁殖生态,对其雌雄性比、妊娠率、胎仔数和繁殖指数等进行了分析,结果表明:雄雌总性比(/)为1.14,年度间无差异,但随姬鼠年龄和季节不同而发生变化;雌鼠周年均可繁殖,一年中有两个繁殖高峰:即春季高峰和秋季高峰;多数个体胎仔数为4～6只;一年中繁殖指数最高的月份为9～10月,最低的月份为1～2月。
The sex ratio, pregnancy rate, litter size, reproduction index of Apodemus agrarius from Anyi county, northern Jiangxi were studied during the years of 1985-1988. The results indicated that: i). The sex ratio( / ) of all samples tested was 1.14, which was constant annually, but variable with the change of ages of A. agrarius and seasons; ii). The female mouse was able to reproduce year around, there were two breeding peaks (i.e. spring peak and autumn peak) in a year; iii). The litter size of most female individuals was 4-6 mice, the reproduction index appeared to be the highest from September to October, and lowest from January to February.
出处
《江西农业学报》
CAS
1990年第2期63-69,共7页
Acta Agriculturae Jiangxi
关键词
黑线姬鼠
种群生态
繁殖
鼠害
Apodemus agrarius Pallas, Population ecology, Reproduction, Anyi, North- ern Jiangxi.
