---
kind: "unit"
title: "21"
title_heading: "Food and Drugs"
key: "chI/subchE/part589"
level: "part"
label: "Part 589"
heading: "Substances Prohibited from Use in Animal Food or Feed"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/21/chI-subchE-part589"
sections_count: 5
---

# Part 589 — Substances Prohibited from Use in Animal Food or Feed

Title 21 C.F.R. — Food and Drugs › Chapter I — Food and Drug Administration, Department of Health and Human Services › Subchapter E — Animal Drugs, Feeds, and Related Products

## Contents

- [Subpart A — General Provisions](/cfr/21/chI-subchE-part589-subpartA.md)
- [Subpart B — Listing of Specific Substances Prohibited From Use in Animal Food or Feed](/cfr/21/chI-subchE-part589-subpartB.md)