# Implantation or Injectable Dosage Form New Animal Drugs; Ivermectin and Clorsulon
> **Food and Drug Administration** · Final rule. · Published 2007-05-17 · Effective 2007-05-17 · 72 FR 27733
## Document
- **Document number:** E7-9517
- **Category:** other
- **Sub-agency:** Food and Drug Administration
- **Federal Register citation:** 72 FR 27733
- **CFR reference:** 21 CFR 522
- **Publication date:** 2007-05-17
- **Effective date:** 2007-05-17
## Abstract

The Food and Drug Administration (FDA) is amending the animal drug regulations to reflect approval of an abbreviated new animal drug application (ANADA) filed by Norbrook Laboratories, Ltd. The ANADA provides for the use of an ivermectin and clorsulon solution by subcutaneous injection in cattle for control of various internal and external parasites.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2007/05/17/E7-9517/implantation-or-injectable-dosage-form-new-animal-drugs-ivermectin-and-clorsulon)
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