# New Animal Drugs For Use In Animal Feeds; Monensin
> **US Department of Health and Human Services** · Final rule. · Published 1997-03-26 · Effective 1997-03-26 · 62 FR 14305
## Document
- **Document number:** 97-7551
- **Category:** other
- **Sub-agency:** US Department of Health and Human Services
- **Federal Register citation:** 62 FR 14305
- **CFR reference:** 21 CFR 558
- **Publication date:** 1997-03-26
- **Effective date:** 1997-03-26
## 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, Division of Eli Lilly and Co. The supplemental NADA provides for use of monensin Type A medicated articles to make a revised formulation of a free-choice Type C medicated feed for pastured cattle for increased rate of weight gain.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1997/03/26/97-7551/new-animal-drugs-for-use-in-animal-feeds-monensin)
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