Bovine TB is a contagious bacterial disease that can cause severe coughing, fatigue and emaciation. Cows can become infected from other cows and in some cases after contact with wildlife carrying the disease, Castro said.
In certain conditions, bovine tuberculosis can be transmitted to humans, the U.S. Agriculture Department says.
The most serious health risk to people would be to those drinking raw milk from an infected cow, Castro said. A person working with an infected herd also could fall ill, he added.
"There's never been an incident of a transmission of TB from eating meat that is federally inspected," Castro said.
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