---
kind: "section"
citation: "21 C.F.R. § 516.570"
title: "21"
number: "516.570"
heading: "Doramectin."
url: "https://uscodex.org/cfr/21/516.570"
---

# §516.570. Doramectin.

- (a) **Specifications.** Each milliliter of solution contains 10 milligrams of doramectin.
- (b) **Sponsor.** See No. 054771 in [§ 510.600(c)](/cfr/21/510.600.md?p=c) of this chapter.
- (c) **Conditions of use in cattle—**
  - (1) **Amount.** 200 micrograms per kilogram (10 milligrams per 110 pounds).
  - (2) **Indications for use.** For prevention and treatment of infestations caused by New World screwworm (Cochliomyia hominivorax) larvae (myiasis), and prevention of reinfestation for 21 days.
  - (3) **Limitations.** Consult your veterinarian for assistance in the diagnosis, treatment, and control of parasitism. Administer as a single subcutaneous or intramuscular injection. Do not slaughter cattle for human consumption within 35 days of treatment. Not for use in female dairy cattle 20 months of age or older. A withdrawal period has not been established for this product in preruminating calves. Do not use in calves to be processed for veal.

## Notes

### Amendments

[91 FR 5300, Feb. 6, 2026, as amended at 91 FR 41558, July 7, 2026]

### Source

Source: 72 FR 57200, Oct. 9, 2007, unless otherwise noted.

### Authority

Authority: 21 U.S.C. 360ccc-1, 360ccc-2, 371.

### Source

Source: 72 FR 41017, July 26, 2007, unless otherwise noted.

### Amendments

[91 FR 5300, Feb. 6, 2026, as amended at 91 FR 41558, July 7, 2026]