当前位置: 首页 > 文章 > 高山姬鼠种群的繁殖特征 西南农业学报 2000,13 (3) 58-61
Position: Home > Articles > The seasonal dynamics of population in Apodemus chevieri Southwest China Journal of Agricultural Sciences 2000,13 (3) 58-61

高山姬鼠种群的繁殖特征

作  者:
杨再学;龙贵兴
单  位:
贵州省余庆县植保站;贵州省大方县植保站
关键词:
高山姬鼠;种群;繁殖
摘  要:
报道了 1996~ 1998年贵州大方县高山姬鼠的种群繁殖特征。共解剖标本520 只,雌鼠264 只,雄鼠256 只。主要繁殖期在 4~9月,研究期间平均怀孕率为 18.62%,平均胎仔数为 6.03 只,繁殖指数0.6846,每年4~5月和8~9月为两次妊娠高峰。雄鼠睾丸下降率季节变化与雌鼠怀孕率季节变化是同步变动趋势。
译  名:
The seasonal dynamics of population in Apodemus chevieri
作  者:
YANG Zai-xue, LONG Gui-xing ( Yuqing Plant Protection Station, Guizhou 564400, China; Dafang Plant Protection Station, Guizhou 551600, China)
关键词:
Apodemus chevieri; population; reproduction
摘  要:
The reproduction of population of Apodemus chevieri in Dafang county of Guizhou province was investigated during 1996~1998. A total of 520 specimens were collected and dissected, among which 264 were female and 256 male. In main propagating season, the mean pregnancy rate, litter size and reproductive index were 18 .62%, 6. 03 and 0. 6846, respectively. The fluctuations of the rate of testis in serotum were identical with the rate of female pregnancy.

相似文章

计量
文章访问数: 12
HTML全文浏览量: 0
PDF下载量: 0

所属期刊

推荐期刊