The Rare Phenomenon of Consecutive Ejaculations in Male Rats

Mounting, intromission and ejaculation are commonly reported sexual behaviours in male rats. In a mating session, they can have several copulatory series with post-ejaculatory intervals in between ejaculations before they reach sexual satiety. Here, we describe a phenomenon where male rats displayed...

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Main Authors: Joanna M. Mainwaring, Angela C. B. Garcia, Elaine M. Hull, Erik Wibowo
Format: Article
Language:English
Published: MDPI AG 2021-05-01
Series:Sexes
Subjects:
Online Access:https://www.mdpi.com/2411-5118/2/2/16
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author Joanna M. Mainwaring
Angela C. B. Garcia
Elaine M. Hull
Erik Wibowo
author_facet Joanna M. Mainwaring
Angela C. B. Garcia
Elaine M. Hull
Erik Wibowo
author_sort Joanna M. Mainwaring
collection DOAJ
description Mounting, intromission and ejaculation are commonly reported sexual behaviours in male rats. In a mating session, they can have several copulatory series with post-ejaculatory intervals in between ejaculations before they reach sexual satiety. Here, we describe a phenomenon where male rats displayed consecutive ejaculations (CE) with a short inter-ejaculatory interval (IEI). Male rats were daily mated with a sexually receptive female rat. Two out of 15 rats displayed CE in one of their mating tests. The first rat had CE at 9.9 and 10.1 min (IEI = 16.3 s) after the start of the test. The second rat showed CE at 28.1 and 28.5 min (IEI = 18.7 s) after the test onset. During the IEI, the rats did not show any mounting or intromission.
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spelling doaj.art-0bdcd1dc73824b619b28fb660225bfb32023-11-21T20:32:19ZengMDPI AGSexes2411-51182021-05-012218318810.3390/sexes2020016The Rare Phenomenon of Consecutive Ejaculations in Male RatsJoanna M. Mainwaring0Angela C. B. Garcia1Elaine M. Hull2Erik Wibowo3Department of Anatomy, University of Otago, Dunedin 9016, New ZealandDepartment of Anatomy, University of Otago, Dunedin 9016, New ZealandDepartment of Psychology, Florida State University, Tallahassee, FL 32306, USADepartment of Anatomy, University of Otago, Dunedin 9016, New ZealandMounting, intromission and ejaculation are commonly reported sexual behaviours in male rats. In a mating session, they can have several copulatory series with post-ejaculatory intervals in between ejaculations before they reach sexual satiety. Here, we describe a phenomenon where male rats displayed consecutive ejaculations (CE) with a short inter-ejaculatory interval (IEI). Male rats were daily mated with a sexually receptive female rat. Two out of 15 rats displayed CE in one of their mating tests. The first rat had CE at 9.9 and 10.1 min (IEI = 16.3 s) after the start of the test. The second rat showed CE at 28.1 and 28.5 min (IEI = 18.7 s) after the test onset. During the IEI, the rats did not show any mounting or intromission.https://www.mdpi.com/2411-5118/2/2/16multiple ejaculationsmale rodentsmale sexual behaviourmultiple orgasmsconsummatory behaviourrefractory period
spellingShingle Joanna M. Mainwaring
Angela C. B. Garcia
Elaine M. Hull
Erik Wibowo
The Rare Phenomenon of Consecutive Ejaculations in Male Rats
Sexes
multiple ejaculations
male rodents
male sexual behaviour
multiple orgasms
consummatory behaviour
refractory period
title The Rare Phenomenon of Consecutive Ejaculations in Male Rats
title_full The Rare Phenomenon of Consecutive Ejaculations in Male Rats
title_fullStr The Rare Phenomenon of Consecutive Ejaculations in Male Rats
title_full_unstemmed The Rare Phenomenon of Consecutive Ejaculations in Male Rats
title_short The Rare Phenomenon of Consecutive Ejaculations in Male Rats
title_sort rare phenomenon of consecutive ejaculations in male rats
topic multiple ejaculations
male rodents
male sexual behaviour
multiple orgasms
consummatory behaviour
refractory period
url https://www.mdpi.com/2411-5118/2/2/16
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