Federal Register Final rule: FDA is amending the animal drug regulations to reflect approval of a new animal drug application (NADA) filed by Intervet Inc. that provides for use of approved, single-ingredient Type A medicated articles containing zilpaterol hydrochloride, monensin USP, and melengestrol acetate in three-way combination Type B and Type C medicated feeds for heifers fed in confinement for slaughter. To view this final rule, click here.
