# New Animal Drugs For Use in Animal Feeds; Ractopamine and Tylosin
> **Food and Drug Administration** · Final rule. · Published 2007-07-31 · Effective 2007-07-31 · 72 FR 41618
## Document
- **Document number:** E7-14699
- **Category:** other
- **Sub-agency:** Food and Drug Administration
- **Federal Register citation:** 72 FR 41618
- **CFR reference:** 21 CFR 558
- **Publication date:** 2007-07-31
- **Effective date:** 2007-07-31
## 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 Elanco Animal Health. The supplemental NADA revises the indications for use of two-way combination Type B and Type C medicated swine feeds formulated with ractopamine hydrochloride and tylosin phosphate.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2007/07/31/E7-14699/new-animal-drugs-for-use-in-animal-feeds-ractopamine-and-tylosin)
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