# New Animal Drugs for Use in Animal Feeds; Ractopamine
> **Food and Drug Administration** · Final rule; technical amendment. · Published 2004-05-06 · Effective 2004-05-06 · 69 FR 25315
## Document
- **Document number:** 04-10365
- **Category:** other
- **Sub-agency:** Food and Drug Administration
- **Federal Register citation:** 69 FR 25315
- **CFR reference:** 21 CFR 558
- **Publication date:** 2004-05-06
- **Effective date:** 2004-05-06
## Abstract

The Food and Drug Administration (FDA) is revising the animal drug regulations for medicated feeds to reflect the approved maximum concentration of ractopamine in Type B medicated feeds. This action is being taken to improve the accuracy of the agency's regulations.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2004/05/06/04-10365/new-animal-drugs-for-use-in-animal-feeds-ractopamine)
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