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Study · Measured the body's own peptide · 2005

1 result

The effect of intramuscular injections of boar pheromone 5alpha-androstenol on the hormonal regulation of the estrous cycle in hypoosmatic gilts.

Stefańczyk-Krzymowska S, Wasowska B, Skipor J

Polish journal of veterinary sciences1 Jan 2005Cited by 2 (Europe PMC)

PMID15989126 (opens in a new tab)PepBankPUB-15989126
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Summary

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

Results from this study1

No result from this study comes from a test of the peptide.

Natural levels measured1

These results measure the body's own peptide. Nobody was given the peptide. They are not evidence about taking it. They are left out of key results, evidence counts and charts.

  1. 01AnimalEndogenous levelAnimal study (in vivo)Mechanism

    In gilts with a disrupted olfactory pathway, intramuscular 5alpha-androstenol reduced plasma oxytocin secretion compared with controls.

    In plain wordsIn female pigs, the pheromone 5alpha-androstenol lowered the body's own oxytocin level in blood compared with controls.

    Peptide
    Oxytocin
    Outcome
    DecreasePlasma oxytocin concentration
    Study

    pign = 15

    Comparator
    Control gilts
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health

    Source sentences

    Summary
    The decrease in concentration of LH was accompanied by the reduction of oxytocin (P<0.001), estradiol-17beta (P<0.001) and testosterone (P<0.01) secretion.
    2 context sentences
    Summary · context
    On day 12 of the estrous cycle the nasal cavity of gilts (n=15) was irrigated with zink sulfate solution.
    Summary · context
    From day 16 to 20, the experimental group (n=10) was injected intramuscularly with 5alpha-androstenol (20 microg) twice a day.

    This result measures the body's own Oxytocin. Nobody was given the peptide. It is not evidence about taking it.

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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