# New Animal Drugs for Use in Animal Feeds; Lasalocid and Chlortetracycline
> **Food and Drug Administration** · Final rule, technical amendment. · Published 2006-04-27 · Effective 2006-04-27 · 71 FR 24814
## Document
- **Document number:** 06-3953
- **Category:** other
- **Sub-agency:** Food and Drug Administration
- **Federal Register citation:** 71 FR 24814
- **CFR reference:** 21 CFR 558
- **Publication date:** 2006-04-27
- **Effective date:** 2006-04-27
## 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 Type A medicated articles containing lasalocid and chlortetracycline to formulate two-way, combination drug Type B and Type C medicated feeds for pasture cattle and cattle fed in confinement for slaughter.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2006/04/27/06-3953/new-animal-drugs-for-use-in-animal-feeds-lasalocid-and-chlortetracycline)
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