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Study · Animal study (in vivo) · bull · 2004

4 results

Use of oxytocin and cloprostenol to facilitate semen collection by electroejaculation or transrectal massage in bulls.

Palmer CW, Amundson SD, Brito LF, Waldner CL, Barth AD

Animal reproduction science1 Feb 2004Cited by 30 (Europe PMC)

PMID15036498 (opens in a new tab)DOI10.1016/j.anireprosci.2003.07.003 (opens in a new tab)PepBankPUB-15036498
Publisher pagePubMedAsk about this study
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Summary

The text of this summary is not shown here, because the article license does not allow reuse. Read it at the source (opens in a new tab)

Text rights: Publisher copyright. Results still quote short attributed sentences.

Results from this study4

4 results from studies that gave the peptide. No result from this study comes from people.

  1. 01AnimalAnimal study (in vivo)Efficacy outcome

    In bulls in experiment 1, oxytocin increased the time to penile protrusion during electroejaculation compared with saline.

    In plain wordsIn bulls, oxytocin lengthened the time to penile protrusion during electroejaculation compared with saline.

    Peptide
    Oxytocin
    Outcome
    IncreaseTime to penile protrusion during electroejaculation (experiment 1)
    Study

    bulln = 24

    Bulls, semen collection by transrectal massage and electroejaculation
    Comparator
    Saline
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    Dose not stated

    Source sentences

    Summary
    Oxytocin treatment increased the time to penile protrusion during electroejaculation in experiment 1 and during massage in experiment 2.
    2 context sentences
    Summary · context
    Two experiments were conducted with 24 bulls in which semen collection was attempted by transrectal massage (RM) and electroejaculation (EE).
    Summary · context
    In experiment 2, bulls received saline (control), oxytocin, or cloprostenol 10 min before attempting semen collection by transrectal massage.
  2. 02AnimalAnimal study (in vivo)Efficacy outcome

    In bulls in experiment 2, oxytocin increased the time to penile protrusion during transrectal massage compared with saline.

    In plain wordsIn bulls, oxytocin lengthened the time to penile protrusion during massage compared with saline.

    Peptide
    Oxytocin
    Outcome
    IncreaseTime to penile protrusion during massage (experiment 2)
    Study

    bulln = 24

    Bulls, semen collection by transrectal massage and electroejaculation
    Comparator
    Saline
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    Dose not stated

    Source sentences

    Summary
    Oxytocin treatment increased the time to penile protrusion during electroejaculation in experiment 1 and during massage in experiment 2.
    2 context sentences
    Summary · context
    Two experiments were conducted with 24 bulls in which semen collection was attempted by transrectal massage (RM) and electroejaculation (EE).
    Summary · context
    In experiment 2, bulls received saline (control), oxytocin, or cloprostenol 10 min before attempting semen collection by transrectal massage.
  3. 03AnimalAnimal study (in vivo)Efficacy outcome

    In bulls in experiment 1, oxytocin decreased the time to semen emission compared with saline.

    In plain wordsIn bulls, oxytocin shortened the time to semen emission compared with saline.

    Peptide
    Oxytocin
    Outcome
    DecreaseTime to semen emission (experiment 1)
    Study

    bulln = 24

    Bulls, semen collection by transrectal massage and electroejaculation
    Comparator
    Saline
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    Dose not stated

    Source sentences

    Summary
    In experiment 1, oxytocin decreased the time to semen emission and tended to decrease the number of electroejaculation stimuli to semen emission.
    2 context sentences
    Summary · context
    Two experiments were conducted with 24 bulls in which semen collection was attempted by transrectal massage (RM) and electroejaculation (EE).
    Summary · context
    In experiment 2, bulls received saline (control), oxytocin, or cloprostenol 10 min before attempting semen collection by transrectal massage.
  4. 04AnimalAnimal study (in vivo)Efficacy outcome

    In bulls in experiment 1, oxytocin tended to decrease the number of electroejaculation stimuli to semen emission, without a stated significant difference.

    In plain wordsIn bulls, oxytocin tended to reduce the number of stimuli needed for semen emission compared with saline, but this was not a clear difference.

    Peptide
    Oxytocin
    Outcome
    No significant changeNumber of electroejaculation stimuli to semen emission (experiment 1)
    Study

    bulln = 24

    Bulls, semen collection by transrectal massage and electroejaculation
    Comparator
    Saline
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    Dose not stated

    Source sentences

    Summary
    and tended to decrease the number of electroejaculation stimuli to semen emission.
    2 context sentences
    Summary · context
    Two experiments were conducted with 24 bulls in which semen collection was attempted by transrectal massage (RM) and electroejaculation (EE).
    Summary · context
    In experiment 2, bulls received saline (control), oxytocin, or cloprostenol 10 min before attempting semen collection by transrectal massage.

AI wrote and checked these results. AI can make mistakes, so check important results against the source.

Version history

PepBank keeps every version of the data on this study. Status changes from Retraction Watch, Europe PMC and Crossref are listed with their source.

  1. Version 2Current

    11 Oct 2026, 20:03 UTC

    Study results updated

  2. Version 1

    9 Oct 2026, 02:51 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

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