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Ruminant cold stress: effect on production.

B A Young

    Journal of Animal Science
    |December 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

    Cold stress in ruminants diverts dietary energy to heat production, potentially causing death or disease. Physiological adaptations to cold reduce animal productivity and nutritional efficiency, especially in winter.

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    Area of Science:

    • Animal Science
    • Environmental Physiology
    • Ruminant Nutrition

    Background:

    • Cold stress significantly impacts ruminant physiology and productivity.
    • Energy diversion for thermogenesis compromises productive functions.
    • Adaptation to cold can lead to secondary health issues and diseases.

    Purpose of the Study:

    • To review the biological issues of cold stress in ruminants.
    • To examine the practical consequences of cold stress on ruminant animals.
    • To explain how cold adaptation affects productivity and nutritional efficiency.

    Main Methods:

    • Literature review of biological effects and practical consequences.
    • Analysis of physiological responses to cold exposure.
    • Examination of adaptive changes in ruminants.

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    Main Results:

    • Extreme cold stress diverts dietary energy to heat production, risking animal survival.
    • Prolonged cold exposure induces physiological adaptations like increased insulation and metabolic rate.
    • Adaptive changes in ruminants during cold conditions reduce overall productivity and nutritional efficiency.

    Conclusions:

    • Cold stress poses significant biological and economic challenges for ruminant production.
    • Understanding ruminant adaptation to cold is crucial for mitigating productivity losses.
    • Management strategies should address the physiological impacts of cold stress on livestock.