Abstract
Abstract Four experiments evaluated the relative effects of sexual experience, estradiol, and progesterone on the responsiveness of ovariectomized female mice to an attractant in male preputial glands. Two-choice tests were used to compare relative attractiveness of water homogenates of male preputials to that of a control homogenate made from a mixture of fat and muscle. Sexually naive females, not under the influence of estrogen, showed no preference for either homogenate. Sexual experience resulted in a strong and consistent preference for the preputial odor regardless of presence or absence of estrogen. Estrogenized, sexually naive females showed a significant attraction for preputial homogenate but such attraction was less consistent than that resulting from sexual experience. Finally, the effectiveness of sexual experience could be blocked by progesterone and, as could thus be predicted, pregnant females were not attracted by the odor of male preputial glands.
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