# Implantation or Injectable Dosage Form New Animal Drugs; Trenbolone Acetate and Estradiol
> **US Department of Health and Human Services** · Final rule. · Published 1996-06-11 · Effective 1996-06-11 · 61 FR 29479
## Document
- **Document number:** 96-14646
- **Category:** other
- **Sub-agency:** US Department of Health and Human Services
- **Federal Register citation:** 61 FR 29479
- **CFR reference:** 21 CFR 522
- **Publication date:** 1996-06-11
- **Effective date:** 1996-06-11
## 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 Roussel-UCLAF, Division Agro-Veterinaire. The supplemental NADA provides for use of an ear implant containing trenbolone acetate and estradiol in pasture steers for increased rate of weight gain. EFFECTIVE DATE: June 11, 1996.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1996/06/11/96-14646/implantation-or-injectable-dosage-form-new-animal-drugs-trenbolone-acetate-and-estradiol)
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