---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-115093"
form_type: "8-K"
ticker: "PAHC"
cik: "0001069899"
company_name: "PHIBRO ANIMAL HEALTH CORP"
filed_at: "2023-11-07T23:59:59+00:00"
generated_at: "2026-06-08T13:15:19.274153+00:00"
event_type: "regulatory"
sentiment: "negative"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Phibro Animal Health faces FDA actions to revoke Mecadox approval; $20M sales at risk

## Summary
- FDA issued final order revoking approved method for detecting carbadox residues in swine.
- FDA proposed to withdraw all new animal drug applications for Mecadox in swine feed; Phibro may request hearing.
- Mecadox sales for fiscal year ended June 30, 2023 were approximately $20 million.
- Phibro states it is extremely disappointed, believes in safety, and will defend Mecadox's continued use.
- Company notes 50+ year history of safe use and intends to take appropriate action against FDA's steps.

## SEC filing metadata
- accession: 0001104659-23-115093
- form_type: 8-K
- ticker: PAHC
- cik: 0001069899
- company_name: PHIBRO ANIMAL HEALTH CORP
- filed_at: 2023-11-07T23:59:59+00:00
- event_type: regulatory
- sentiment: negative
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1069899/000110465923115093/0001104659-23-115093-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1069899/000110465923115093/tm2330063d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-115093
- JSON: https://secwatch.observer/filing/0001104659-23-115093.json
- Plain text: https://secwatch.observer/filing/0001104659-23-115093.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.