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# Comments Extended on Carbadox Carcinogenic Concern
- URL: https://www.fdaweb.com/comments-extended-on-carbadox-carcinogenic-concern/
- Published: 2022-03-30T12:00:00.000Z
- Updated: 2026-09-14T17:38:45.000Z
- Author: David McFarland
- Tags: FDA Policy/General, #legacy-id-D5151485

*Federal Register* notice: FDA is extending the comment period of a 1/13 *Federal Register* notice seeking input on scientific data and information related to the residue of carcinogenic concern for the new animal drug carbadox. Comments now can be submitted until 6/10\. To view the notice, click [here](https://public-inspection.federalregister.gov/2022-06762.pdf?ref=fdaweb.com).