---
kind: "section"
citation: "21 C.F.R. § 558.550"
title: "21"
number: "558.550"
heading: "Salinomycin."
url: "https://uscodex.org/cfr/21/558.550"
---

# §558.550. Salinomycin.

- (a) **Specifications.** Type A medicated articles containing 30 or 60 grams of salinomycin sodium activity per pound.
- (b) **Sponsor.** See No. 016592 in [§ 510.600(c)](/cfr/21/510.600.md?p=c) of this chapter for use as in [paragraph (e)](#e) of this section.
- (c) **Related tolerances.** See [§ 556.592](/cfr/21/556.592.md) of this chapter.
- (d) **Special considerations.** Not approved for use with pellet binders.
- (e) **Conditions of use.** It is used as follows:
  - (1) **Chickens—**
  - (2) **Game birds—**
  - (3) **Combinations.** Salinomycin may also be used in combination with:
    - (i) Avilamycin as in [§ 558.68](/cfr/21/558.68.md).
    - (ii) Chlortetracycline as in [§ 558.128](/cfr/21/558.128.md).
    - (iii) Lincomycin as in [§ 558.325](/cfr/21/558.325.md).
    - (iv) Oxytetracycline as in [§ 558.450](/cfr/21/558.450.md).
    - (v) Virginiamycin as in [§ 558.635](/cfr/21/558.635.md).

## Notes

### Amendments

[48 FR 30616, July 5, 1983]

### Authority

Authority: 21 U.S.C. 354, 360b, 360ccc, 360ccc-1, 371.

### Source

Source: 40 FR 13959, Mar. 27, 1975, unless otherwise noted.

### Amendments

[48 FR 30616, July 5, 1983]