Zdrowie i gospodarka · 27/08/1999
FDA Approves Zeranol Implant for Improved Feed Efficiency in Confinement- Fed Steers
The US Food and Drug Administration has amended its animal drug regulations to reflect approval of a supplemental new animal drug application filed by Schering-Plough Animal Health Corp., allowing for the use of a zeranol implant in steers raised in confinement for slaughter to enhance feed efficiency.