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Keeping cattle cool and stress-free

Date:
April 7, 2010
Source:
USDA/Agricultural Research Service
Summary:
Scientists are identifying the causes of heat stress in cattle and finding ways to manage it which is helping producers deal with this significant production problem.

ARS scientists and their cooperators are identifying causes of heat stress in cattle and developing tools that producers can use to better manage it.
Credit: Image courtesy of John Gaughan, Queensland, Australia

Identifying the causes of heat stress in cattle and finding ways to manage it are the goals of Agricultural Research Service (ARS) scientists and cooperators who are helping producers deal with this significant production problem.

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Heat stress can have serious consequences. While some cattle exhibit little or no response to it, others may experience diminished appetite and feed intake, reduced growth rate, compromised disease resistance and, in extreme cases, death.

Extremely high temperatures overwhelm an animal's natural ability to regulate its body temperature. But other factors are involved, and understanding them is essential for predicting, preventing and responding to potential heat-stress scenarios, according to scientists at the ARS Roman L. Hruska U.S. Meat Animal Research Center (USMARC) in Clay Center, Neb.

There, scientists are working together with cooperators to develop risk-assessment tools and management strategies for producers. This work has three main components: analyzing animal susceptibility, identifying contributing environmental factors, and evaluating management techniques.

In one study, USMARC agricultural engineer Tami Brown-Brandl and colleagues conducted several studies to identify factors that contribute to animal susceptibility to heat stress. They identified 11 influential factors, including coat color, health history, and temperament.

In another study, Brown-Brandl and USMARC agricultural engineers Roger Eigenberg and John Nienaber looked at environmental factors affecting the intensity of heat stress. They developed a model that incorporates predictions of how temperature, humidity, sun intensity, and wind speed will affect heat stress.

The model is available online at: www.ars.usda.gov/Main/docs.htm?docid=17130.


Story Source:

The above story is based on materials provided by USDA/Agricultural Research Service. Note: Materials may be edited for content and length.


Cite This Page:

USDA/Agricultural Research Service. "Keeping cattle cool and stress-free." ScienceDaily. ScienceDaily, 7 April 2010. <www.sciencedaily.com/releases/2010/03/100325171223.htm>.
USDA/Agricultural Research Service. (2010, April 7). Keeping cattle cool and stress-free. ScienceDaily. Retrieved November 20, 2014 from www.sciencedaily.com/releases/2010/03/100325171223.htm
USDA/Agricultural Research Service. "Keeping cattle cool and stress-free." ScienceDaily. www.sciencedaily.com/releases/2010/03/100325171223.htm (accessed November 20, 2014).

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