---
kind: "section"
citation: "21 C.F.R. § 529.1044b"
title: "21"
number: "529.1044b"
heading: "Gentamicin solution for dipping eggs."
url: "https://uscodex.org/cfr/21/529.1044b"
---

# §529.1044b. Gentamicin solution for dipping eggs.

- (a) **Specifications.** Each milliliter of solution contains gentamicin sulfate equivalent to 50 milligrams of gentamicin base.
- (b) **Sponsors.** See Nos. 000061 and 054925 in [§ 510.600(c)](/cfr/21/510.600.md?p=c) of this chapter.
- (c) **Conditions of use in turkeys—**
  - (1) **Amount.** The drug is added to clean water to provide a dip solution with a gentamicin concentration of 250 to 1,000 parts per million. A concentration of 500 parts per million is recommended. Clean eggs should be held submerged in the gentamicin solution under a vacuum of about 27.5 to 38 centimeters of mercury for 5 minutes followed by additional soaking in gentamicin solution for approximately 10 minutes at atmospheric pressure. Eggs can also be treated by warming them for 3 to 6 hours at approximately 100 °F then immediately submerging them in gentamicin solution maintained at about 40 °F, keeping the eggs submerged for 10 to 15 minutes.
  - (2) **Indications for use.** As an aid in the reduction or elimination of the following microorganisms from turkey-hatching eggs: Arizona hinshawii (paracolon), Salmonella Saintpaul, and Mycoplasma meleagridis.
  - (3) **Limitations.** Eggs which have been dipped in the drug shall not be used for food. Federal law restricts this drug to use by or on the order of a licensed veterinarian.

## Notes

### Amendments

[40 FR 13881, Mar. 27, 1975, as amended at 52 FR 7833, Mar. 13, 1987; 62 FR 22889, Apr. 28, 1997; 71 FR 13543, Mar. 16, 2006; 79 FR 10973, Feb. 27, 2014; 88 FR 16549, Mar. 20, 2023; 88 FR 55567, Aug. 16, 2023]

### Authority

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

### Source

Source: 40 FR 13881, Mar. 27, 1975, unless otherwise noted.

### Amendments

[40 FR 13881, Mar. 27, 1975, as amended at 52 FR 7833, Mar. 13, 1987; 62 FR 22889, Apr. 28, 1997; 71 FR 13543, Mar. 16, 2006; 79 FR 10973, Feb. 27, 2014; 88 FR 16549, Mar. 20, 2023; 88 FR 55567, Aug. 16, 2023]