Would you like to leave a message? http://beeghd.in.net/ beeeg Merck & Co's announcement on Friday that it wassuspending the sale of Zilmax in the United States and Canadasurprised many cattle owners and feedlot operators, who sayZilmax and other beta-agonists have been a godsend for astruggling U.S. beef industry that saw overall domesticconsumption fall more than 8 percent between 2002 and 2011.