As Climate Hurts Cattle, Ranchers Turn to Genetics

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The U.S. Department of Agriculture is abandoning the use of hot-iron branding and moving towards the use of ear tags for the identification of cattle.
The U.S. Department of Agriculture is abandoning the use of hot-iron branding and moving towards the use of ear tags for the identification of cattle.

For years researchers have been studying how to develop cattle that are heat and drought tolerant. And while crossbreeding isn't a new development, it's becoming more common among Texas ranchers as summers become drier and hotter.

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