Implantation or Injectable Dosage Form New Animal Drugs; Trenbolone and Estradiol

Resumen

The Food and Drug Administration (FDA) is amending the animal drug regulations to reflect approval of an abbreviated new animal drug application (ANADA) filed by Ivy Laboratories, Division of Ivy Animal Health, Inc. The ANADA provides for subcutaneous use of an implant containing trenbolone acetate and estradiol for increased rate of weight gain and improved feed efficiency in feedlot heifers.