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  • Title: Hormonal substrate of estrous odor preference in beagles.
    Author: Anisko JJ.
    Journal: Physiol Behav; 1977 Jan; 18(1):13-7. PubMed ID: 905368.
    Abstract:
    The effect of testosterone propionate (TP), injected during pregnancy and/or implanted on Days 1-3 of postpartum, on a behavioral preference for estrous vaginal secretions was assessed in beagles. Males castrated in adulthood and intact, untreated males were used to test the attractability of vaginal secretions. Intact and castrated males showed a marked preference for estrous vaginal secretions. Castrated males showed a greater preference for estrous secretions following treatment with TP. Further, females treated with TP before and/or after birth also showed a marked preference for estrous vaginal secretions. The results suggest that the preference for estrous odor is a sexually dimorphic pattern which depends upon developmental and concurrent androgenic stimulation for its manifestation.
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