Male Hatano low-avoidance rats show more active sexual behavior with lower plasma testosterone than high-avoidance rats

Two inbred strains of Sprague-Dawley rats, known as the Hatano high- and low-avoidance animals (HAA and LAA respectively), have been selectively bred for high versus low rates of avoidance responses in a shuttle-box avoidance task. To investigate differences in the sexual behavior of Hatano rats, ma...

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Autores principales: NAKAYAMA, Airi, OKAWA, Hasuka, ZHENG, Meihua, PU, Shaoxia, WATANABE, Gen, OHTA, Ryo, KAWAGUCHI, Maiko
Formato: Online Artículo Texto
Lenguaje:English
Publicado: The Japanese Society of Veterinary Science 2018
Materias:
Physiology
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6068300/
https://www.ncbi.nlm.nih.gov/pubmed/29848887
http://dx.doi.org/10.1292/jvms.17-0668
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author NAKAYAMA, Airi
OKAWA, Hasuka
ZHENG, Meihua
PU, Shaoxia
WATANABE, Gen
OHTA, Ryo
KAWAGUCHI, Maiko
author_facet NAKAYAMA, Airi
OKAWA, Hasuka
ZHENG, Meihua
PU, Shaoxia
WATANABE, Gen
OHTA, Ryo
KAWAGUCHI, Maiko
author_sort NAKAYAMA, Airi
collection PubMed
description Two inbred strains of Sprague-Dawley rats, known as the Hatano high- and low-avoidance animals (HAA and LAA respectively), have been selectively bred for high versus low rates of avoidance responses in a shuttle-box avoidance task. To investigate differences in the sexual behavior of Hatano rats, male HAA, LAA and SD rats were tested from 12 to 15 weeks of age. LAA rats exhibited more rapid and frequent sexual behavior than HAA or SD rats, and such differences increased with repeated sexual experience. Plasma testosterone levels tended to be lower in LAA rats than in HAA or SD rats, suggesting that active sexual behavior in LAA rats is not related to these levels. Strain differences in mating behavior between HAA and LAA rats may be caused by emotional responses to novelty.
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spelling pubmed-60683002018-08-06 Male Hatano low-avoidance rats show more active sexual behavior with lower plasma testosterone than high-avoidance rats NAKAYAMA, Airi OKAWA, Hasuka ZHENG, Meihua PU, Shaoxia WATANABE, Gen OHTA, Ryo KAWAGUCHI, Maiko J Vet Med Sci Physiology Two inbred strains of Sprague-Dawley rats, known as the Hatano high- and low-avoidance animals (HAA and LAA respectively), have been selectively bred for high versus low rates of avoidance responses in a shuttle-box avoidance task. To investigate differences in the sexual behavior of Hatano rats, male HAA, LAA and SD rats were tested from 12 to 15 weeks of age. LAA rats exhibited more rapid and frequent sexual behavior than HAA or SD rats, and such differences increased with repeated sexual experience. Plasma testosterone levels tended to be lower in LAA rats than in HAA or SD rats, suggesting that active sexual behavior in LAA rats is not related to these levels. Strain differences in mating behavior between HAA and LAA rats may be caused by emotional responses to novelty. The Japanese Society of Veterinary Science 2018-05-31 2018-07 /pmc/articles/PMC6068300/ /pubmed/29848887 http://dx.doi.org/10.1292/jvms.17-0668 Text en ©2018 The Japanese Society of Veterinary Science This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial No Derivatives (by-nc-nd) License. (CC-BY-NC-ND 4.0: https://creativecommons.org/licenses/by-nc-nd/4.0/)
spellingShingle Physiology
NAKAYAMA, Airi
OKAWA, Hasuka
ZHENG, Meihua
PU, Shaoxia
WATANABE, Gen
OHTA, Ryo
KAWAGUCHI, Maiko
Male Hatano low-avoidance rats show more active sexual behavior with lower plasma testosterone than high-avoidance rats
title Male Hatano low-avoidance rats show more active sexual behavior with lower plasma testosterone than high-avoidance rats
title_full Male Hatano low-avoidance rats show more active sexual behavior with lower plasma testosterone than high-avoidance rats
title_fullStr Male Hatano low-avoidance rats show more active sexual behavior with lower plasma testosterone than high-avoidance rats
title_full_unstemmed Male Hatano low-avoidance rats show more active sexual behavior with lower plasma testosterone than high-avoidance rats
title_short Male Hatano low-avoidance rats show more active sexual behavior with lower plasma testosterone than high-avoidance rats
title_sort male hatano low-avoidance rats show more active sexual behavior with lower plasma testosterone than high-avoidance rats
topic Physiology
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6068300/
https://www.ncbi.nlm.nih.gov/pubmed/29848887
http://dx.doi.org/10.1292/jvms.17-0668
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