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Chronic maintenance of rat sperm reserves into old age by previous sexual contact |
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| Authors: | G T Taylor J Weiss J Royalty |
| Institution: | (1) Department of Biology, Tokyo University-Komaba, 183 Tokyo, Japan;(2) Zentrum für Molekular Biologie, Universität Heidelberg, D-6900 Heidelberg, Federal Republic of Germany;(3) Murray State University, 42071 Murray, Kentucky, USA;(4) Present address: Department of Psychology, Laboratory for Psychobiology, University of Missouri-St. Louis, 8001 Natural Bridge Road, 63121 St. Louis, MO, USA |
| Abstract: | Summary Extensive copulatory experiences at a younger age provoked chronic changes in the reproductive physiology of old male rats. Continuous access to females was not necessary, sperm numbers were elevated in the 22-month-old males 7 months after a final sexual interaction. |
| Keywords: | Copulation sperm aging rats |
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