# New Animal Drugs For Use In Animal Feeds; Ivermectin
> **Food and Drug Administration** · Final rule. · Published 1998-10-09 · Effective 1998-10-09 · 63 FR 54352
## Document
- **Document number:** 98-27080
- **Category:** other
- **Sub-agency:** Food and Drug Administration
- **Federal Register citation:** 63 FR 54352
- **CFR reference:** 21 CFR 556
- **Publication date:** 1998-10-09
- **Effective date:** 1998-10-09
## 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 Merial Ltd. The supplemental NADA provides for use of ivermectin Type A medicated articles to make Type B and C medicated swine feeds, to make Type C feed for treatment and control of threadworms (Strongyloides ransomi), and as top-dressing for individual treatment of adult swine.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1998/10/09/98-27080/new-animal-drugs-for-use-in-animal-feeds-ivermectin)
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