---
kind: "section"
citation: "21 C.F.R. § 556.304"
title: "21"
number: "556.304"
heading: "Gonadotropin."
url: "https://uscodex.org/cfr/21/556.304"
---

# §556.304. Gonadotropin.

- (a) **Acceptable daily intake (ADI).** The ADI for residues of total gonadotropins (human chorionic gonadotropin and pregnant mare serum gonadotropin) is 42.25 International Units per kilogram of body weight per day.
- (b) **Tolerances.** The tolerances for gonadotropin are:
  - (1) **Cattle.** Edible tissues (excluding milk): Not required.
  - (2) **Fish.** Edible tissues: Not required.
  - (3) **Swine.** Edible tissues: Not required.
- (c) **Related conditions of use.** See §§ [522.1079](/cfr/21/522.1079.md) and [522.1081](/cfr/21/522.1081.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]