---
kind: "section"
citation: "21 C.F.R. § 520.1430"
title: "21"
number: "520.1430"
heading: "Mibolerone."
url: "https://uscodex.org/cfr/21/520.1430"
---

# §520.1430. Mibolerone.

- (a) **Specifications.** Each milliliter contains 100 micrograms of mibolerone.
- (b) **Sponsor.** See No. 054771 in [§ 510.600(c)](/cfr/21/510.600.md?p=c) of this chapter.
- (c) **Conditions of use in dogs—**
  - (1) **Amount.** 30 micrograms for animals weighing 1 to 25 pounds; 60 micrograms for animals weighing 26 to 50 pounds; 120 micrograms for animals weighing 51 to 100 pounds; 180 micrograms for animals weighing over 100 pounds, German Shepherds, or German Shepherd mix. Administer daily, orally or in a small amount of food, at least 30 days before expected initiation of heat, and continue daily as long as desired, but not for more than 24 months.
  - (2) **Indications for use.** For the prevention of estrus (heat) in adult female dogs not intended primarily for breeding purposes.
  - (3) **Limitations.** Federal law restricts this drug to use by or on the order of a licensed veterinarian.

## Notes

### Amendments

[43 FR 15625, Apr. 14, 1978, as amended at 78 FR 28824, May 20, 2014]

### Authority

Authority: 21 U.S.C. 360b.

### Source

Source: 40 FR 13838, Mar. 27, 1975, unless otherwise noted.

### Amendments

[43 FR 15625, Apr. 14, 1978, as amended at 78 FR 28824, May 20, 2014]