Dynamics of testosterone concentration in male steppe lemmings (Lagurus lagurus) in the reproductive cycle reflects the species-specific mating system

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• 作者：O. F. Potapova ; M. A. Potapov ; E. Yu. Kondratyuk…
• 刊名：Doklady Biological Sciences
• 出版年：2016
• 出版时间：May 2016
• 年：2016
• 卷：468
• 期：1
• 页码：146-148
• 全文大小：179 KB
• 刊物类别：Biomedical and Life Sciences
• 刊物主题：Life Sciences
  Life Sciences
  Plant Sciences
  Evolutionary Biology
  Russian Library of Science
  
• 出版者：MAIK Nauka/Interperiodica distributed exclusively by Springer Science+Business Media LLC.
• ISSN：1608-3105
• 卷排序：468

文摘

In the blood of male steppe lemmings, relatively low background levels of testosterone were detected, this is characteristic of a monogamous species. A significant increase in testosterone level, more expressed in sexually active males, was observed at the initial stage of formation of reproductive couples. Apparently, in the future, the couple will exist in a stable relationship, and, hence, the maintenance of a high testosterone level becomes excessive. The decrease in, and the relative “normalization” of, the hormone level during the existence of the pair, including raising of the young, promotes higher expression of the male paternal care of the offspring at the species level.Original Russian Text © O.F. Potapova, M.A. Potapov, E.Yu. Kondratyuk, V.I. Evsikov, 2016, published in Doklady Akademii Nauk, 2016, Vol. 468, No. 6, pp. 716–718.