FDA Approves New Animal Drug Implantation for Trenbolone Acetate and Estradiol Benzoate

Summary

The US Food and Drug Administration (FDA) has amended animal drug regulations to reflect approval of a supplemental new animal drug application (NADA) filed by Fort Dodge Animal Health, a division of Wyeth, for a subcutaneous implant containing trenbolone acetate and estradiol benzoate, with warnings against its use in calves destined for veal production.