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Related Experiment Videos

Heat stress interaction with shade and cooling

D V Armstrong1

  • 1Department of Animal Sciences, University of Arizona, Tucson 85721.

Journal of Dairy Science
|July 1, 1994
PubMed
Summary

Dairy cattle experience heat stress even in moderate climates, impacting milk production and reproduction. Cooling strategies like shades, fans, and ventilation can mitigate these effects, but economic benefits should be assessed first.

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Area of Science:

  • Animal Science
  • Dairy Husbandry
  • Environmental Physiology

Background:

  • Heat stress negatively impacts dairy cattle productivity and welfare.
  • Even moderate climates experience periods of heat stress detrimental to dairy cows.
  • Reduced milk yield and reproductive efficiency are significant economic consequences of heat stress.

Purpose of the Study:

  • To outline strategies for mitigating heat stress in dairy cattle.
  • To highlight the economic implications of heat stress and its management.
  • To inform producers about effective cooling techniques.

Main Methods:

  • Implementing cooling programs involving shades, ventilation, and fans.
  • Utilizing spray cooling systems in conjunction with other methods.
  • Assessing the economic viability of heat stress reduction equipment.

Main Results:

  • Cooling strategies can effectively offset decreases in milk production.
  • Reproductive efficiency in dairy cattle can be improved through heat stress management.
  • Economic benefits of cooling interventions require careful pre-installation evaluation.

Conclusions:

  • Proactive cooling measures are essential for dairy cattle health and productivity.
  • Integrated cooling systems offer a viable solution to combat heat stress.
  • Economic analysis is crucial prior to investing in heat stress abatement technologies.

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