# New Animal Drugs For Use In Animal Feeds; Narasin and Bacitracin Methylene Disalicylate with Roxarsone
> **Food and Drug Administration** · Final rule. · Published 1998-09-29 · 63 FR 51823
## Document
- **Document number:** 98-25913
- **Category:** other
- **Sub-agency:** Food and Drug Administration
- **Federal Register citation:** 63 FR 51823
- **CFR reference:** 21 CFR 558
- **Publication date:** 1998-09-29
## 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 Alpharma Inc. The supplemental NADA provides for using approved narasin, bacitracin methylene disalicylate (BMD), and roxarsone Type A medicated articles to make Type C medicated broiler chicken feeds.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1998/09/29/98-25913/new-animal-drugs-for-use-in-animal-feeds-narasin-and-bacitracin-methylene-disalicylate-with)
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