---
kind: "section"
citation: "21 C.F.R. § 118.7"
title: "21"
number: "118.7"
heading: "Sampling methodology for Salmonella Enteritidis (SE)."
url: "https://uscodex.org/cfr/21/118.7"
---

# §118.7. Sampling methodology for Salmonella Enteritidis (SE).

- (a) **Environmental sampling.** An environmental test must be done for each poultry house in accordance with § [118.5 (a)](/cfr/21/118.5.md?p=a) and [(b)](/cfr/21/118.5.md?p=b). Within each poultry house, you must sample the environment using a sampling plan appropriate to the poultry house layout.
- (b) **Egg sampling.** When you conduct an egg test required under [§ 118.6](/cfr/21/118.6.md), you must collect and test the following number of eggs from the positive poultry house:
  - (1) To meet the egg testing requirements of [§ 118.6(c)](/cfr/21/118.6.md?p=c), you must collect and deliver for testing a minimum of 1,000 intact eggs representative of a day's production. The 1,000-egg sample must be tested according to [§ 118.8](/cfr/21/118.8.md). You must collect and test four 1,000-egg samples at 2-week intervals for a total of 4,000 eggs.
  - (2) To meet the monthly egg testing requirement of [§ 118.6(e)](/cfr/21/118.6.md?p=e), you must collect and deliver for testing a minimum of 1,000 intact eggs representative of a day's production per month for the life of the flock. Eggs must be tested according to [§ 118.8](/cfr/21/118.8.md).

## Notes

### Authority

Authority: 21 U.S.C. 321, 331-334, 342, 371, 381, 393; 42 U.S.C. 243, 264, 271.

### Source

Source: 74 FR 33095, July 9, 2009, unless otherwise noted.