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雌性根田鼠断奶后对亲本尿气味的记忆
Retention of Parental Urine Odour of Postweaning Female Root Vole

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孙平 1   于鸿浩 2   赵新全 2   徐楠 3   赵亚军 4  
文摘 为研究亲子分开后雌性根田鼠对亲本气味的记忆持续时间,分别在未分开(20日龄)、分开10d(30日龄)、20d(40日龄)、30d(50日龄)、40d(60日龄)时,以新鲜尿作气味源,在行为观察箱中记录雌性根田鼠对不同气味源的行为响应模式,结果表明:(1)未分开时,雌鼠遭遇父本气味时自我修饰的频次极显著高于陌生雄鼠气味,在分开10d时,雌鼠接近父本气味的频次显著多于接近陌生雄鼠气味的频次,其对前者反标记显著少于后者;(2)分开20d后,雌鼠对父本和陌生雄鼠气味的行为响应无明显差异;(3)未分窝时,雌性根田鼠幼仔对母本和陌生雌鼠气味的行为响应无差异;(4)分开10-40d时,雌性根田鼠对母本和陌生雌鼠气味表现出不同的行为响应模式。以上结果表明,在亲子分开10d时,雌鼠仍能识别父本和陌生雄鼠的气味;分开20d后,雌鼠不再能够识别父本和陌生雄鼠的气味;在亲子分开40d时,雌鼠仍能识别母本和陌生雌鼠的气味。因此,雌鼠对父本气味的嗅觉记忆时间可以持续到亲子分开10-20d之间;而对母本气味的嗅觉记忆时间则可以持续到亲子分开40d以上。
其他语种文摘 To research the retention of parental odours of female root voles ( Microtus oeconomus), the behavioural responses to urine from parents were recorded 0, 10, 20, 30, and 40 days after weaning (20, 30, 40, 50, 60 days of age respectively). The results showed that: (1) The frequency of self-grooming in the presence of paternal or a strange male's odour was significantly different when subjects were 20 days of age. The frequency of approach to paternal odour was higher than to a stranger's odour. In addition, the counter-mark frequency for paternal odours was less than for strange odours when subjects were 30 days of age. (2) There was no difference between the behavioural responses to paternal and strange odours when subjects were 40 days of age. (3) There was no difference between the behavioural responses to maternal and strange odours when subjects were 20 days of age. (4) Females showed different behavioural patterns to maternal and strange odours 10-40 d after weaning. In conclusion, the retention of paternal odour can continue until 10-20 d after weaning, and maternal odour can continue until 40 d after weaning.
来源 动物学研究 ,2007,28(2):141-148 【核心库】
关键词 根田鼠 ; 亲本尿气味 ; 记忆时间 ; 子亲识别
地址

1. 河南科技大学动物科技学院, 河南, 洛阳, 471003  

2. 中国科学院西北高原生物研究所, 青海, 西宁, 810001  

3. 山东师范大学生命科学院, 山东, 济南, 250014  

4. 中国农业大学, 农业部设施农业生物环境工程重点开放实验室, 北京, 100083

语种 中文
文献类型 研究性论文
ISSN 0254-5853
学科 动物学
基金 国家自然科学基金资助项目
文献收藏号 CSCD:2857230

参考文献 共 40 共2页

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引证文献 4

1 孙平 啮齿动物基于气味线索的亲属识别研究进展Ⅰ:进化和行为生态学 四川动物,2008,27(4):713-719
被引 1

2 孙平 雄性柴达木根田鼠断奶后对亲本尿气味的记忆 动物学杂志,2008,43(5):45-50
被引 0 次

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