# New Animal Drugs for Use in Animal Feeds; Monensin, Bacitracin Methylene Disalicylate, and Roxarsone
> **US Department of Health and Human Services** · Final rule. · Published 2000-09-05 · Effective 2000-09-05 · 65 FR 53583
## Document
- **Document number:** 00-22620
- **Category:** other
- **Sub-agency:** US Department of Health and Human Services
- **Federal Register citation:** 65 FR 53583
- **CFR reference:** 21 CFR 558
- **Publication date:** 2000-09-05
- **Effective date:** 2000-09-05
## Abstract

The Food and Drug Administration (FDA) is amending the animal drug regulations to reflect approval of a new animal drug application (NADA) filed by Alpharma, Inc. The NADA provides for use of approved, single-ingredient monensin, bacitracin methylene disalicylate (BMD), and roxarsone Type A medicated articles to make three-way combination drug Type C medicated feed used as an aid in the prevention of coccidiosis, as an aid in the prevention and control of necrotic enteritis, and for increased rate of weight gain, improved feed efficiency, and improved pigmentation in replacement chickens.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2000/09/05/00-22620/new-animal-drugs-for-use-in-animal-feeds-monensin-bacitracin-methylene-disalicylate-and-roxarsone)
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