"The Food and Drug Administration (FDA or the Agency) is withdrawing two 1977 notices of opportunity for a hearing (NOOH), which proposed to withdraw certain approved uses of penicillin and tetracyclines intended for use in feeds for food-producing animals based in part on microbial food safety concerns."
http://articles.mercola.com/sites/articles/archive/2012/01/18/fda-wont-act-against-agricultural-antibiotic-use.aspx
