Exclusive: Merck funds tests of lower Zilmax doses as seen seeking way to resume sales

January 19, 2015 1:02 PM

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CHICAGO (Reuters) - Merck & Co Inc is funding the testing of lower dosages of its controversial cattle growth drug Zilmax, in a move that livestock experts say is crucial if the company is to resume sales of the product to the U.S. beef industry.

Nearly 18 months after Merck pulled the drug from the U.S. and Canadian markets after videos and photographs surfaced showing Zilmax-fed cattle turning up in a distressed state, either lame or with hooves missing at slaughterhouses, scientists at Texas Tech University are testing beef carcasses take...

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