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Agricultural Product Standards Act, 1990 (Act No. 119 of 1990)

Regulations

Grading, Packing and Marking of Eggs intended for sale in the Republic of South Africa

Annexures

Table 4 : Extent to which certain defects may occur in eggs

 

 

Quality factor

Grade 1

Grade 2

Grade 3

1

2

3

4
1. Eggs with cracks that result in leakage

1,7%

3,4%

6,7%
2. Eggs with cracks that do not result in leakages

6,7%

8,4%

*

3.

 

 

 
(a) Eggs with mould, adhering to shells.

0%

3,4%

16,7%
(b) Eggs with faeces.

1,7%

3,4%

16,7%
(c) Eggs with nesting material adhering to shells and foreign matter

3,4%

6,7%

*
4. Eggs with discolouration or stains on shells

6,7%

8,4%

*
5. Eggs with blood spots, blood rings, diffused blood, meat spots of—

 

 

 
(a) light intensity: up to and including 1 mm in diameter; and

3,4%

6,7%

*
(b) strong intensity: up to and including 2 mm in diameter.

1,7%

3,4%

*
6. Eggs with whites of which the Haugh Value is not more than five units lower than the applicable minimum specified in Table 3

10%

33,4%

*
7. Eggs with air cells that—

 

 

 
(a) exceed the permissible maximum depth or limit of movement; or

3,4%

10%

*
(b) are swimmers or bubbly air cells.

3,4%

6,7%

10%
8. Irregular shape of the shell

6,7%

*

*
9. Deviations in mass:

 

 

 
(a) All sizes of eggs of which the mass deviates not more than 2 g from the minimum mass prescribed in Table 2.

3,4%

6,7%

6,7%
(b) Small eggs of which the mass deviates by more than 2 g below the minimum mass of 33 g prescribed in Table 2.

3,4%

6,7%

*
10. Eggs packed with their broad ends down and pointed ends up

6,7%

10%

*
11. Eggs with defects in:

 

 

 
(a) Yolk colour.

6,7%

10%

*
(b) Yolk normal position.

6,7%

10%

*
(c) Yolk not spotted, flat or enlarged.

6,7%

10%

*
12. Total number of eggs with defects, excluding defects mentioned under item 6

10%

20%

*

* Not specified