---
kind: "section"
citation: "21 C.F.R. § 556.746"
title: "21"
number: "556.746"
heading: "Tylosin."
url: "https://uscodex.org/cfr/21/556.746"
---

# §556.746. Tylosin.

- (a) [Reserved]
- (b) **Tolerances.** The tolerances for tylosin are:
  - (1) **Cattle.**
    - (i) **Liver, kidney, fat, and muscle—** 0.2 ppm.
    - (ii) **Milk—** 0.05 ppm.
  - (2) **Chickens and turkeys.**
    - (i) **Liver, kidney, fat, and muscle—** 0.2 ppm.
    - (ii) **Eggs—** 0.2 ppm.
  - (3) **Swine.** Liver, kidney, fat, and muscle: 0.2 ppm.
  - (4) **Honey.** 500 ppb.
- (c) **Related conditions of use.** See §§ [520.2640](/cfr/21/520.2640.md), [522.2640](/cfr/21/522.2640.md), [558.625](/cfr/21/558.625.md), and [558.630](/cfr/21/558.630.md) of this chapter.

## Notes

### Amendments

[84 FR 32993, July 11, 2019, as amended at 85 FR 18121, Apr. 1, 2020]

### Authority

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

### Source

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

### Amendments

[84 FR 32993, July 11, 2019, as amended at 85 FR 18121, Apr. 1, 2020]