Beef Packers Block Plan To Revive Growth-Promoting Drug
Beef Packers Block Plan To Revive Growth-Promoting Drug January 27, 201511:30 AM ET By Dan Charles Cattle in holding pens at the Simplot feedlot located next to a slaughterhouse in Burbank, Washington on Dec. 26, 2013. Merck & Co Inc is testing lower dosages of its controversial cattle growth drug Zilmax drug in an effort…