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Selected oxygen transport parameters in captive elk

T McKean, E Stauber, B Magonigle

    Respiration Physiology
    |April 1, 1977
    PubMed
    Summary
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    Elk oxygen transport is less developed than pronghorn but superior to goats or oxen. This study measured key oxygen transport parameters in captive elk (Cervus canadensis).

    Area of Science:

    • Comparative physiology
    • Animal science
    • Wildlife biology

    Background:

    • Understanding oxygen transport is crucial for wildlife physiology.
    • Elk (Cervus canadensis) are large ungulates with unique physiological adaptations.
    • Limited data exists on elk oxygen transport compared to other ungulates.

    Purpose of the Study:

    • To measure and analyze key oxygen transport parameters in captive elk.
    • To compare elk oxygen transport capabilities with other ungulate species.
    • To elucidate the physiological adaptations of elk for oxygen utilization.

    Main Methods:

    • Immobilization of five captive elk using etorphine HCl-acepromazine maleate.
    • Measurement of heart mass/body mass ratio.
    • Assessment of hematocrit, hemoglobin, blood volume, mean corpuscular volume, and airway resistance.

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    Main Results:

    • Selected oxygen transport parameters were quantified in elk.
    • Elk values were compared to those of other ungulates.
    • Physiological data indicated specific oxygen transport efficiencies.

    Conclusions:

    • Elk oxygen transport system is less developed than pronghorn.
    • Elk oxygen transport is superior to that of goats and oxen.
    • Findings contribute to understanding ungulate physiological diversity.