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Lost hooves, dead cattle before Merck halted Zilmax sales
date:Dec 31, 2013
ation's feedlots went out of business over the last decade. With cattle herds in sharp decline, Zilmax worked along with improved animal genetics and feed to produce more meat with fewer animals.

The United States produced nearly 26 billion pounds of beef from a herd of 91 million cattle in 2012, according to USDA data. In 1975, when the nation's cattle herd hit a peak of 135 million head, the industry produced nearly 24 billion pounds of beef.

Last month, beef cattle walking into a U.S. packi

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