21 CFR § 558.340 - Maduramicin.

---
identifier: "/us/cfr/t21/s558.340"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "21 CFR § 558.340 - Maduramicin."
title_number: 21
title_name: "Food and Drugs"
section_number: "558.340"
section_name: "Maduramicin."
chapter_name: "FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "E"
subchapter_name: "ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS"
part_number: "558"
part_name: "NEW ANIMAL DRUGS FOR USE IN ANIMAL FEEDS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "21 U.S.C. 354, 360b, 360ccc, 360ccc-1, 371."
regulatory_source: "40 FR 13959, Mar. 27, 1975, unless otherwise noted."
cfr_part: "558"
---


# 558.340 Maduramicin.

(a) *Specifications.* Type A medicated articles containing 4.54 grams maduramicin per pound.

(b) *Sponsor. See* No. 054771 in § 510.600(c) of this chapter.

(c) *Tolerances. See* § 556.375 of this chapter.

(d) *Conditions of use in chickens*—

| Amount in grams/ton | Indications for use | Limitations | Sponsor |
| --- | --- | --- | --- |
| (1) 4.54 to 5.45 | Broiler chickens: For prevention of coccidiosis caused by  and | Feed continuously as sole ration. For broiler chickens only. Do not feed to laying hens. Withdraw 5 days before slaughter | 054771 |
| (2) [Reserved] |  |  |  |

[85 FR 45310, July 28, 2020]