JUDGING EXTERIOR EGG QUALITY

USDA STANDARDS

Quality Factor

AA or A

B

Dirty

Stain

Clean

May show small specks, stains or cage marks that do not detract from general clean appearance of the egg

May show traces of processing oil

- Slight or moderate localized stains < 1/32 of shell or scattered stains <1/16 of shell

- Prominent stains

- Moderate stains covering >1/32 if localized and 1/16 of the shell if scattered

Adhering dirt or foreign material

None

None

Adhering dirt or foreign material (1.0 mm in area or greater)

Egg shape

Approximately the usual shape

Unusual or decidedly misshapen (very long or distorted)

 

Shell texture

May have rough areas that do not materially affect shape or strength

Extremely rough areas that may be faulty in soundness or strength

May have large calcium deposits

 

Ridges

Slight ridges that do not materially affect shape or strength

May have pronounced ridges

 

Shell thickness

Free from thin spots

May show pronounced thin spots

 

Body checks

Free from body checks.

May show pronounced body checks.

 

 

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