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Related Experiment Videos

Adjusting rations for climate.

D R Ames1

  • 1Department of Animal Sciences, Colorado State University, Fort Collins.

The Veterinary Clinics of North America. Food Animal Practice
|November 1, 1988
PubMed
Summary
This summary is machine-generated.

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Heat production of cattle acclimated to cold, thermoneutrality and heat when exposed to thermoneutrality and heat stress.

Journal of animal science·1986
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Digestive responses of sheep to auditory stimuli.

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Wind-Chill effect for cattle and sheep.

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Performance of early-weaned lambs as affected by sound type and intensity.

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Energy balance during heat stress in sheep.

Journal of animal science·1971

Cold weather increases animals' energy needs for maintenance, reducing energy for growth and milk production. Addressing cold stress requires a systems approach, considering all animal responses for effective environmental management.

Area of Science:

  • Animal Science
  • Environmental Physiology
  • Agricultural Management

Background:

  • Cold conditions (temperature, wind, wetness) elevate animal maintenance energy requirements.
  • This increased energy demand for maintenance reduces the energy available for vital production processes like growth and milk yield.
  • Cold stress has well-documented negative impacts on reproductive efficiency, health, and longevity.

Purpose of the Study:

  • To highlight the significant energy demands placed on animals by cold conditions.
  • To underscore the direct and indirect consequences of cold stress on animal productivity and well-being.
  • To advocate for a comprehensive, multidisciplinary approach to managing environmental impacts on livestock.

Main Methods:

  • Review of physiological and production data related to cold stress in animals.

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  • Analysis of energy balance principles in relation to environmental factors.
  • Synthesis of knowledge across disciplines for integrated management strategies.

    • Main Results:

    • Cold stress directly impairs growth rates and milk production efficiency.
    • Indirect effects of cold negatively influence reproductive metrics.
    • Sustained cold exposure impacts animal health and lifespan, though these effects may be less immediately apparent.

    Conclusions:

    • Energy supplementation is crucial for animals experiencing cold stress.
    • Effective environmental management necessitates a systems approach, integrating diverse expertise.
    • A holistic view of animal responses, beyond acute reactions, is essential for optimal management.