Colorado Department of Agriculture
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Grading

Eggs

Grading Minimum Requirements

 

Grade AA
The shell must be clean, unbroken, and normal. The air cell must not exceed l/8 inch in depth and be regular. The white must be clear and firm so that the yolk outline is only slightly defined when the egg is twirled before the candling light. The yolk must be free from apparent defects.

 

Grade A
The shell must be clean, unbroken, and practically normal. The air cell must not exceed 3/16 inch in depth and must be practically regular. The white must be clear and at least reasonably firm so that the yolk outline is only fairly well defined when the egg is twirled before the candling light. The yolk must be practically free from apparent defects.

 

Grade B
The shell must be unbroken but may be slightly abnormal and may show slight stains but no adhering dirt; provided that the stains do not appreciably detract from the appearance of the egg. When the stain is localized, approximately 1/32 of the shell surface may be slightly stained, and when the slightly stained areas are scattered approximately 1/16 of the shell surface may be slightly stained. The air cell must not exceed 3/8 inch in depth, may show unlimited movement, and may be free or bubbly. The white must be clear and may be slightly weak so that the yolk outline is well defined when the egg is twirled before the candling light. The yolk may appear slightly enlarged or slightly flattened and may show other definite, but not serious, defects.

 

Weight Requirements

Size or Weight Class

Min Net Weight per 30 Dozen

Min Net Weight per 30 Dozen

Min Weight for Individual Eggs at Rate per Dozen*

Jumbo

30

56

29

Extra-Large

27

50 1/2

26

Large

24

45

23

Medium

21

39 1/2

20

Small

18

34

17

Peewee

15

28

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* Enough larger eggs must be present to insure the minimum net weight per dozen.