---
kind: "unit"
title: "21"
title_heading: "Food and Drugs"
key: "chI/subchE/part579"
level: "part"
label: "Part 579"
heading: "Irradiation in the Production, Processing, and Handling of Animal Feed and Pet Food"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/21/chI-subchE-part579"
sections_count: 3
---

# Part 579 — Irradiation in the Production, Processing, and Handling of Animal Feed and Pet Food

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-part579-subpartA.md)
- [Subpart B — Radiation and Radiation Sources](/cfr/21/chI-subchE-part579-subpartB.md)