The FDA says it will study the matter . In 1977 , the FDA announced plans to withdraw approval of some antibiotics used in livestock feed . Beef producers are disappointed , say use of drugs is ` ` judicious '' and livestock with antibiotics may pose risks to human health .
The FDA says it will study the matter . Beef producers are disappointed , say use of drugs is ` ` judicious '' and livestock with antibiotics may pose risks to human health .