A Pilgrim's Pride contract chicken farm full of three-week-old chicks just outside the city limits of Pittsburg, Texas, Tuesday, Dec. 2, 2008. (AP Photo/LM Otero)

New Report Revels Heavy Antibiotic Use In Fast Food Livestock

Though the report focused on antibiotic use, it warned of other additives used in meat in the United States, including zinc, copper, growth hormones, and debilitating beta agonists like ractopamine.