# Implantation or Injectable Dosage Form New Animal Drugs; Ceftiofur Crystalline Free Acid
> **Food and Drug Administration** · Final rule. · Published 2008-10-08 · Effective 2008-10-08 · 73 FR 58871
## Document
- **Document number:** E8-23830
- **Category:** other
- **Sub-agency:** Food and Drug Administration
- **Federal Register citation:** 73 FR 58871
- **CFR reference:** 21 CFR 522
- **Publication date:** 2008-10-08
- **Effective date:** 2008-10-08
- **HHS docket:** Docket No. FDA-2008-N-0039
## 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 & Upjohn Co., a Division of Pfizer, Inc. The supplemental NADA provides for veterinarian prescription use of ceftiofur crystalline free acid injectable suspension for the treatment of bovine foot rot (interdigital necrobacillosis).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2008/10/08/E8-23830/implantation-or-injectable-dosage-form-new-animal-drugs-ceftiofur-crystalline-free-acid)
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