# New Animal Drugs for Use in Animal Feeds; Chlortetracycline
> **Food and Drug Administration** · Final rule, technical amendment. · Published 2006-09-13 · Effective 2006-09-13 · 71 FR 53966
## Document
- **Document number:** E6-15103
- **Category:** other
- **Sub-agency:** Food and Drug Administration
- **Federal Register citation:** 71 FR 53966
- **CFR reference:** 21 CFR 558
- **Publication date:** 2006-09-13
- **Effective date:** 2006-09-13
## 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 use of an approved Type A medicated article containing chlortetracycline to formulate a free-choice loose mineral Type C medicated feed for beef and nonlactating dairy cattle.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2006/09/13/E6-15103/new-animal-drugs-for-use-in-animal-feeds-chlortetracycline)
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