---
kind: "section"
citation: "21 C.F.R. § 556.570"
title: "21"
number: "556.570"
heading: "Ractopamine."
url: "https://uscodex.org/cfr/21/556.570"
---

# §556.570. Ractopamine.

- (a) **Acceptable daily intake (ADI).** The ADI for total residue of ractopamine hydrochloride is 1.25 µg/kg of body weight per day.
- (b) **Tolerances.** The tolerances for ractopamine (marker residue) are:
  - (1) **Cattle.**
    - (i) **Liver (target tissue)—** 0.09 ppm.
    - (ii) **Muscle—** 0.03 ppm.
  - (2) **Swine.**
    - (i) **Liver (target tissue)—** 0.15 ppm.
    - (ii) **Muscle—** 0.05 ppm.
  - (3) **Turkeys.**
    - (i) **Liver (target tissue)—** 0.45 ppm.
    - (ii) **Muscle—** 0.1 ppm.
- (c) **Related conditions of use.** See [§ 558.500](/cfr/21/558.500.md) of this chapter.

## Notes

### Authority

Authority: 21 U.S.C. 342, 360b, 371.

### Source

Source: 84 FR 32993, July 11, 2019, unless otherwise noted.