Can genetics help reduce heat stress?

Fri, 04/18/2014

The answer is yes, and rising temperatures mean more work is vital.

by Dennis Halladay, Hoard’s Dairyman Western Editor

In the decades ahead, climate change is expected to make heat stress an increasingly bigger problem for dairy cows everywhere. Breeding animals with more natural resistance is one way farmers will cope, says Peter Hansen (pictured), a distinguished professor of dairy science at the University of Florida.

Peter Hansen

“In the southeastern and southwestern U.S., for instance, the number of days per year that temperatures are above 90° is expected to increase from 60 to over 150 by the end of the century,” he points out. Read more

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