> ## Content Index
> Fetch the complete content index at: https://www.fdaweb.com/llms.txt
> Use this file to discover other available public pages before exploring further.

# Comments Sought on Antimicrobials Used in Feed Paper
- URL: https://www.fdaweb.com/comments-sought-on-antimicrobials-used-in-feed-paper/
- Published: 2021-01-11T12:00:00.000Z
- Updated: 2026-09-14T16:42:07.000Z
- Author: David McFarland
- Tags: FDA Policy/General, #legacy-id-D5148412

*Federal Register* notice: FDA is requesting comments on a document entitled “Potential Approach for Defining Durations of Use for Medically Important Antimicrobial Drugs Intended for Use In or On Feed: A Concept Paper.” The paper outlines a potential framework for how sponsors of new animal drug products containing medically important antimicrobial drugs approved for use in or on animal feed might voluntarily establish appropriately defined durations of therapeutic administration to food-producing animals where none currently exist. To view the notice, click [here](https://www.govinfo.gov/content/pkg/FR-2021-01-11/pdf/2021-00189.pdf?ref=fdaweb.com).