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Russian Journal of Ecology

, Volume 38, Issue 6, pp 426–429 | Cite as

Comparative analysis of the effect of predator odor on morphological and physiological parameters of adult male Campbell hamsters (Phodopus campbelli) and dwarf hamsters (Phodopus sungorus)

  • N. Yu. Feoktistova
  • S. V. Naidenko
  • M. V. Kropotkina
  • P. M. Bovin
Article

Abstract

The effect of long-term exposure to natural excretions of the European polecat on the morphological parameters and hormonal status of adult male Campbell hamsters (Phodopus campbelli) and dwarf hamsters (Ph. sungorus) was studied. Exposure to volatile components of natural excreta of a potential predator did not have any significant effect on hamsters. The combined influence of volatile and nonvolatile components of the polecat’s excretions caused physiological stress in Ph. campbelli, while in Ph. sungorus, on the contrary, an increase in thymus weight and the plasma testosterone level was recorded.

Key words

Phodopus campbelli Phodopus sungorus stress immunity thymus adrenal glands testosterone cortisol 

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Copyright information

© Pleiades Publishing, Ltd. 2007

Authors and Affiliations

  • N. Yu. Feoktistova
    • 1
  • S. V. Naidenko
    • 1
  • M. V. Kropotkina
    • 1
  • P. M. Bovin
    • 1
  1. 1.Severtsov Institute of Ecology and EvolutionRussian Academy of SciencesMoscowRussia

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