OLFACTORY DISCRIMINATION OF ESTROUS CONDITION BY THE MALE GOLDEN-HAMSTER (MESOCRICETUS-AURATUS)
OLFACTORY DISCRIMINATION OF ESTROUS CONDITION BY THE MALE GOLDEN-HAMSTER (MESOCRICETUS-AURATUS)
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DOI：
10.1016/s0163-1047(89)90608-0
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发表时间：
1989-01-01
期刊：
影响因子：
--
通讯作者：
EVANS, AB
中科院分区：
文献类型：
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作者：
HUCK, UW;LISK, RD;EVANS, AB
在反复接触接受性和非接受性的雌性仓鼠后，雄性金仓鼠在四选嗅觉计中测试了嗅觉偏好。当携带刺激气味的气流被稀释时，雄性在发情周期的不同阶段区分麻醉雌性的气味。以前未能证明这种能力可能是由于实验室测试产生的天花板效应造成的。雄性在接受前一天（与雌性最大气味标记一致的一天）更喜欢雌性的气味，最不喜欢在发情间期第一天（雌性在预测试遭遇期间攻击和追逐雄性的那一天）雌性的气味。对即将到来的发情期的检测和快速反应对于具有第一雄性交配优势的独居和混交物种的雄性来说尤其重要。
After repeated exposure to receptive and nonreceptive females, male golden hamsters were tested for olfactory preferences in a four-choice olfactometer. Males discriminated between the odor of anesthetized females in different stages of their estrous cycle when the airstreams carrying the stimulus odors were diluted. Previous failures to demonstrate such an ability were probably due to ceiling effects resulting from laboratory testing. Males preferred the odor of females on the day before receptivity (a day coincident with maximal scent marking by the female) and least preferred the odor of females on diestrus-1 (the day on which females attacked and chased males during pretesting encounters). Detection and quick respose to an impending estrus would be especially important for males of a solitary and promiscuous species in which there is a first male mating advantage.