# Implantation or Injectable Dosage Form New Animal Drugs; Trenbolone Acetate and Estradiol Benzoate
> **Food and Drug Administration** · Final rule. · Published 2002-12-27 · Effective 2002-12-27 · 67 FR 78971
## Document
- **Document number:** 02-32750
- **Category:** other
- **Sub-agency:** Food and Drug Administration
- **Federal Register citation:** 67 FR 78971
- **CFR reference:** 21 CFR 522
- **Publication date:** 2002-12-27
- **Effective date:** 2002-12-27
## Abstract

The Food and Drug Administration (FDA) is amending the animal drug regulations to reflect approval of a supplemental new animal drug application (NADA) filed by Fort Dodge Animal Health. The supplemental NADA provides for use of an implant containing 100 milligrams (mg) trenbolone acetate and 14 mg estradiol benzoate for increased rate of weight gain in steers fed in confinement for slaughter.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2002/12/27/02-32750/implantation-or-injectable-dosage-form-new-animal-drugs-trenbolone-acetate-and-estradiol-benzoate)
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