Vreeburg J T, Ooms M P
Horm Behav. 1985 Sep;19(3):231-6. doi: 10.1016/0018-506x(85)90023-6.
Intact and gonadectomized male and female rats treated with estradiol and/or dihydrotestosterone were introduced into the cage of estrous female rats. For 3 min the number of periods with ear wiggling displayed by the estrous female and the total duration of the periods with ear wiggling were recorded. It was found that estrous females showed about twice as much ear wiggling in the presence of intact males as in the presence of gonadectomized male and female rats. However, gonadectomized male and female rats treated with dihydrotestosterone induced as much ear wiggling as intact males did. In contrast, administration of estradiol to the gonadectomized stimulus rats did not affect the rate of ear wiggling of the estrous females. Estrous females showed the lowest rate of ear wiggling in the presence of intact female rats. It has been suggested that dihydrotestosterone-treated male and female rats have an odor which sexually excites estrous female rats.
将完整的以及去势的雄性和雌性大鼠用雌二醇和/或双氢睾酮处理后，放入处于发情期的雌性大鼠笼中。记录发情期雌性大鼠在3分钟内摆动耳朵的次数以及摆动耳朵的总时长。结果发现，发情期雌性大鼠在完整雄性大鼠面前摆动耳朵的次数约为在去势雄性和雌性大鼠面前的两倍。然而，用双氢睾酮处理过的去势雄性和雌性大鼠引起的耳朵摆动次数与完整雄性大鼠相同。相比之下，给去势的刺激大鼠施用雌二醇并不影响发情期雌性大鼠的耳朵摆动速率。发情期雌性大鼠在完整雌性大鼠面前摆动耳朵的速率最低。有人提出，用双氢睾酮处理过的雄性和雌性大鼠具有能使发情期雌性大鼠产生性兴奋的气味。
