# New Animal Drugs For Use In Animal Feeds; Bambermycins
> **US Department of Health and Human Services** · Final rule. · Published 1997-02-25 · Effective 1997-02-25 · 62 FR 8373
## Document
- **Document number:** 97-4512
- **Category:** other
- **Sub-agency:** US Department of Health and Human Services
- **Federal Register citation:** 62 FR 8373
- **CFR reference:** 21 CFR 558
- **Publication date:** 1997-02-25
- **Effective date:** 1997-02-25
## 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 Hoechst-Roussel Agri-Vet Co. The supplement provides for using liquid bambermycins Type B medicated feeds to make Type C medicated feeds for cattle fed in confinement for slaughter for increased rate of weight gain and improved feed efficiency.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1997/02/25/97-4512/new-animal-drugs-for-use-in-animal-feeds-bambermycins)
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