MATERNAL AGGRESSION IN RESPONSE TO THE RISK OF INFANTICIDE BY MALE-MICE, MUS-DOMESTICUS
MATERNAL AGGRESSION IN RESPONSE TO THE RISK OF INFANTICIDE BY MALE-MICE, MUS-DOMESTICUS
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DOI：
10.1016/s0003-3472(05)80174-5
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发表时间：
1990-12-01
期刊：
影响因子：
2.5
通讯作者：
KENNEDY, HF
中科院分区：
文献类型：
--
作者：
ELWOOD, RW;NESBITT, AA;KENNEDY, HF
这项研究调查了具有母性攻击性的雌性小鼠是否能够区分杀婴和非杀婴的雄性小鼠。在析因设计中，还测试了母亲经历以及幼崽存在与否对这种歧视的影响。母亲的养育经历并不影响她们或男性的反应。当幼崽在场时，而不是当幼崽不在时，雌性比非杀婴雄性更有可能攻击杀婴的雄性。 在有幼崽的情况下，雌性比在没有幼崽的情况下更有可能攻击杀婴的雄性，但对于非杀婴的雄性，情况恰恰相反。当幼崽在场时，雌性更有可能对非杀婴的雄性采取防御姿势，而不是对杀婴的雄性采取防御姿势。杀婴的雄性在没有幼崽的情况下比在有幼崽的情况下更有可能攻击雌性，这可能是因为在前一种情况下雌性不太可能攻击它们。雌性的攻击是由雄性的存在引发的，而不是由他对幼崽的行为引起的。这些数据表明，雌性会区分具有相同生殖状态但具有不同杀婴倾向的雄性，并根据其后代面临的风险做出反应。
This study investigated whether maternally aggressive female mice can discriminate between infanticidal and non-infanticidal males. The effect of maternal experience and of the presence or absence of pups on this discrimination were also tested, in a factorial design. Parental experience of the mothers did not influence their responses or those of the males. When pups were present, but not when they were absent, females were more likely to attack infanticidal males than non-infanticidal males. Females were more likely to attack infanticidal males in the presence of pups than in the absence of pups but the reverse occurred with non-infanticidal males. When pups were present, females were more likely to adopt a defensive posture to non-infanticidal males than to infanticidal males. Infanticidal males were more likely to attack the female in the absence of pups than in their presence and this may be because females were less likely to attack them in the former situation. Female attack was initiated by the presence of the male not by his action towards the pups. These data indicate that females discriminate between males of the same reproductive status but of different infanticidal tendencies and respond according to the risk to their young.