# Intramammary Dosage Form New Animal Drugs; Pirlimycin
> **Food and Drug Administration** · Final rule. · Published 2008-01-04 · Effective 2008-01-04 · 73 FR 811
## Document
- **Document number:** E7-25606
- **Category:** other
- **Sub-agency:** Food and Drug Administration
- **Federal Register citation:** 73 FR 811
- **CFR reference:** 21 CFR 526
- **Publication date:** 2008-01-04
- **Effective date:** 2008-01-04
## 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 Pharmacia and Upjohn Co., a Division of Pfizer, Inc. The supplemental NADA extends the dosage regimen for pirlimycin hydrochloride intramammary infusion in lactating dairy cattle to daily treatment for up to 8 days.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2008/01/04/E7-25606/intramammary-dosage-form-new-animal-drugs-pirlimycin)
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