# New Animal Drugs for Use in Animal Feeds; Monensin
> **Food and Drug Administration** · Final rule. · Published 2012-01-27 · Effective 2012-01-27 · 77 FR 4228
## Document
- **Document number:** 2012-1755
- **Category:** other
- **Sub-agency:** Food and Drug Administration
- **Federal Register citation:** 77 FR 4228
- **CFR reference:** 21 CFR 558
- **Publication date:** 2012-01-27
- **Effective date:** 2012-01-27
- **HHS docket:** Docket No. FDA-2011-N-0003
## 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, A Division of Eli Lilly & Co. The supplemental NADA provides for approval of free-choice feeds for growing cattle on pasture or in dry lot (stocker and feeder cattle and dairy and beef replacement heifers).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2012/01/27/2012-1755/new-animal-drugs-for-use-in-animal-feeds-monensin)
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