# Classes of Poultry
> **Food Safety and Inspection Service** · Final rule. · Published 2011-11-03 · Effective 2014-01-01 · 76 FR 68058
## Document
- **Document number:** 2011-28525
- **Category:** meat-poultry
- **Sub-agency:** Food Safety and Inspection Service
- **Federal Register citation:** 76 FR 68058
- **CFR reference:** 9 CFR 381
- **Publication date:** 2011-11-03
- **Effective date:** 2014-01-01
- **USDA docket:** Docket No. FSIS-2007-0048
## Abstract

The Food Safety and Inspection Service (FSIS) is amending the definitions and standards for the official U.S. classes of poultry so that they more accurately and clearly describe the characteristics of poultry in the market today. Poultry classes are defined primarily in terms of the age and sex of the bird. Genetic improvements and poultry management techniques have reduced the grow-out period for some poultry classes, while extensive cross breeding has produced poultry with higher meat yields but blurred breed distinctions. FSIS is taking this action to ensure that the labeling of poultry products is truthful and not misleading.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2011/11/03/2011-28525/classes-of-poultry)
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