# New Animal Drugs; Ceftiofur Crystalline Free Acid; Gamithromycin; Tylosin
> **Food and Drug Administration** · Final rule. · Published 2012-05-03 · Effective 2012-05-03 · 77 FR 26161
## Document
- **Document number:** 2012-10632
- **Category:** other
- **Sub-agency:** Food and Drug Administration
- **Federal Register citation:** 77 FR 26161
- **CFR reference:** 21 CFR 522
- **Publication date:** 2012-05-03
- **Effective date:** 2012-05-03
- **HHS docket:** Docket No. FDA-2012-N-0002
## Abstract

The Food and Drug Administration (FDA) is amending the animal drug regulations to reflect approval actions for new animal drug applications (NADAs) and abbreviated new animal drug applications (ANADAs) during February 2012. FDA is also informing the public of the availability of summaries of the basis of approval and of environmental review documents, where applicable.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2012/05/03/2012-10632/new-animal-drugs-ceftiofur-crystalline-free-acid-gamithromycin-tylosin)
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