date:Dec 31, 2013
ginal developer of Zilmax before Merck acquired the firm in 2009 - chronicle incidents of Zilmax-fed cattle experiencing stomach ulcers, brain lesions and blindness. Merck also has reported incidents of Zilmax-fed animals showing signs of lethargy, bloody noses, respiratory problems and heart failure.
In September 2011, an unidentified veterinarian at an Oregon feedlot reported unusual hoof loss in cattle being fed Zilmax, according to one adverse event report reviewed by Reuters.
In August th