# Intramammary Dosage Forms; Cephapirin Benzathine
> **Food and Drug Administration** · Final rule. · Published 2008-03-07 · Effective 2008-03-07 · 73 FR 12262
## Document
- **Document number:** E8-4473
- **Category:** other
- **Sub-agency:** Food and Drug Administration
- **Federal Register citation:** 73 FR 12262
- **CFR reference:** 21 CFR 526
- **Publication date:** 2008-03-07
- **Effective date:** 2008-03-07
## 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 Fort Dodge Animal Health, Division of Wyeth. The supplemental NADA provides for a revision to the labeling of cephapirin benzathine intramammary infusion administered to dairy cows entering their dry period for the treatment of mastitis.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2008/03/07/E8-4473/intramammary-dosage-forms-cephapirin-benzathine)
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