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Merck wants to ‘prove’ Zilmax’s safety

07/04/2014

Drug company Merck wants to test its feed additive Zilmax on 240,000 US cattle to ‘prove’ it is safe after Cargill and Tyson stopped buying cattle fed with the drug late last year. The meat processors were worried about potential links to the animals becoming lame – but Merck has insisted the drug is safe. Reuters reported it is planning a $500...

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