Seasonal Adaptation of Metabolism and Energy in the Pechora Taiga Moose Alces alces

  • T. I. Kochan


In chronic experiments on moose with a rumen fistula, which were performed under conditions of the Pechoro-Ilychskii National Park at different seasons, it was established that in autumn as compared to summer, at a reduction of consumption of digestible nutrients and energy (more than 2-fold), the water balance decreased twofold; in the rumen, the acetic fermentation increased, while in blood, the level of volatile fatty acids (by 117% ), whereas the concentration of blood glucose and acetone bodies decreased (by 45 and 61%, respectively). It is suggested that adaptation of metabolism and energy in moose to the onset of the cold season includes a decrease of the water balance and, as a consequence, a restriction of heat losses, inhibition of aerobic oxidation of substrates, and intensification of anaerobic pathway of the organism energy supply.


Glucose Acetic Acetone Blood Glucose Heat Loss 
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© MAIK “Nauka/Interperiodica” 2001

Authors and Affiliations

  • T. I. Kochan
    • 1
  1. 1.Komi Scientific Center, Ural Branch of the Russian Academy of SciencesInstitute of PhysiologySyktyvkarRussia

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