Merck says animal food additive Zilmax seen safe in review

(Reuters) - Merck & Co Inc said a comprehensive review it undertook showed that its controversial feed additive Zilmax was safe when used according to its product label. Merck suspended sales of Zilmax in the United States and Canada in August last year following concerns about animals showing signs of distress after use of the weight-gain product. A study published in March suggested that the number of U.S. cattle deaths that may be linked to Zilmax are much higher than the figures reported by the drug company to the federal government. ...



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