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Related Experiment Videos

Experience and progesterone in ring dove incubation

G F Michel

    Animal Behaviour
    |May 1, 1977
    PubMed
    Summary

    Previous breeding experience, especially nestbuilding, significantly enhances progesterone-induced incubation in doves. Courtship phase experience alone is insufficient for this hormonal response.

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    Area of Science:

    • Ethology
    • Animal Behavior
    • Reproductive Endocrinology

    Background:

    • Hormonal regulation of avian reproductive behaviors is crucial for species propagation.
    • Progesterone plays a key role in facilitating maternal behaviors, including incubation, in various bird species.
    • The influence of prior breeding experience on hormonal responses remains an area for detailed investigation.

    Purpose of the Study:

    • To investigate how previous breeding cycle experience affects progesterone-induced incubation behavior in ring doves.
    • To determine if specific phases of the breeding cycle are more critical than others in priming this response.
    • To assess the impact of cumulative breeding experience on nest-responsiveness.

    Main Methods:

    • Ring doves were exposed to varying levels of prior breeding experience (0 to 5 phases).
    • Progesterone was administered to induce incubation behavior.
    • Behavioral responses, specifically incubation and nest-responsiveness, were quantified and compared across groups.

    Main Results:

    • Previous breeding experience, particularly including the nestbuilding phase, significantly facilitated progesterone-induced incubation.
    • Experience limited to the courtship phase did not sufficiently prime incubation behavior.
    • Additional breeding experience beyond nestbuilding enhanced general nest-responsiveness but not the incidence of incubation.

    Conclusions:

    • The nature and extent of prior breeding experience are critical determinants of a ring dove's response to exogenous progesterone.
    • Nestbuilding experience is a key prerequisite for facilitating progesterone-induced incubation.
    • Behavioral plasticity in response to hormonal cues is shaped by reproductive experience.

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