28/12/2023 11:48

What standards must commercial chicken eggs in Vietnam meet?

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What standards must commercial chicken eggs meet? How many grades of commercial chicken eggs are there in Vietnam?_Chien Ke (Bac Lieu)

Hello, Lawnet would like to answer as follows:

1. Standards for commercial chicken egg quality in Vietnam

According to the provisions of Section 3.2 of Vietnam Standard TCVN 1858:2018, commercial chicken eggs are chicken eggs used for sale to consumers, still in the shell and without any treatment to make significant changes. List the properties of eggs.

Quality requirements for chicken eggs are specified in Section 4.1 of Vietnam Standard TCVN 1858:2018, specifically:

Criteria	Requirement
* Outside
- Shape	The egg has a characteristic oval shape with a tapered end.
- Color	Egg shells have the characteristic color of each chicken breed.
- Status	The shell surface is smooth and clean, the eggs are not cracked, cracked or crushed.
- Mold	There is no mold visible to the naked eye.
* Inside
- Status	The air chamber is small, no greater than 8 mm in height, and does not move when the egg is rotated; When peeling, the yolk should not stick to the inside of the shell. The yolk should be thick and there should be a thick layer of white surrounding the yolk.
- Color	The yolk has a normal and uniform color. The albumen is not cloudy
- Odor	No strange smell
- Mold	There is no mold visible to the naked eye

2. Standards for grading commercial chicken eggs in Vietnam

According to the provisions of Section 4.2.1 of Vietnam Standard TCVN 1858:2018, commercial chicken eggs are classified into grade AA, grade A and grade B as follows:

Criteria	Class AA	Grade A	Grade B
* Observe with the naked eye
- Eggshell	Not cracked, cracked or crushed;		Not cracked, cracked or crushed;
	Clean shell;		There may be stains loosely adhered to the cover; ^a)
	The shell surface is smooth, without rough or uneven areas		The shell surface may have rough, uneven areas.
* Egg inspection
- Eggshell	Clean, no scratches on the inside		There are no bruises on the inside.
- Air chamber	Located at the big end of the egg, height no greater than 3 mm, does not move when the egg is rotated	Located at the big end of the egg, height no greater than 5 mm, does not move when rotating the egg	Located at the big end of the egg, height no greater than 8 mm, does not move when turning the egg.
- Whites	There were no blood stains or flesh stains	There were no blood stains or flesh stains	There may be blood or flesh stains. ^b)
- Yolk	When looking at eggs, you can clearly see the yolk in the middle of the egg; There were no blood stains or flesh stains	When looking at eggs, the yolk can be seen quite clearly, located quite close to the egg shell; There were no blood stains or flesh stains	When looking at eggs, you can see the yolk, located near the egg shell; There may be blood or flesh stains. ^b)
* Eggs when shelled
- Whites	The solid white part should be tall and round. The thin egg whites do not spread	The egg whites are quite thick. The thin egg whites do not spread	The thick albumen and the thin albumen are spread and flattened. There may be blood or flesh stains. ^b)
- Yolk	Yolk is round; located in the middle of the solid white part. There were no blood stains or flesh stains	The yolk is round and convex. There were no blood stains or flesh stains	The yolk is flat. There may be blood or flesh stains. ^b)
* Freshness
Freshness, in Haugh units (HU)	Not less than 72	From 60 to under 72	From 31 to under 60
^a) The total area of scattered stains is not greater than 1/16 of the shell surface area; The area of each stain is less than 1/32 of the shell surface area; ^b) The total diameter of blood stains or flesh stains is not greater than 3 mm.

3. Standards for tolerance of commercial chicken eggs in Vietnam

According to the provisions of Section 4.2.2 of Vietnam Standard TCVN 1858:2018, the tolerances for each grade of chicken eggs are as follows:

- For grade AA: grade A eggs can be mixed, but the number of grade A eggs is not greater than 15% of the total number of eggs.

- For grade A: grade B eggs can be mixed, but the number of grade B eggs is not greater than 15% of the total number of eggs.

- For grade B: do not mix eggs with lower-quality grades.

All three quality grades mentioned above must not contain cracked, cracked, or crushed eggs; During transportation, one cracked, cracked, or crushed egg is allowed, but not greater than 3.4% of the total number of eggs.

Thus, according to the above regulations, chicken eggs are divided into 3 grades: AA, A, and B, in which Grade B eggs cannot be mixed with eggs of lower quality.

4. Standards for commercial chicken egg size grading in Vietnam

According to the provisions of Section 4.3.1 of Vietnam Standard TCVN 1858:2018, chicken eggs are classified according to weight as follows:

Size	Mass, g
Very big	Over 70
Big	From over 65 to 70
Pretty big	From over 60 to 65
Medium	From over 55 to 60
Small	From over 50 to 55
Very small	Not greater than 50

Note: Chicken eggs of each size can be mixed with eggs of an adjacent smaller size, but the number of mixed eggs is not greater than 3.4% of the total number of eggs. All egg sizes must not contain cracked, cracked, or crushed eggs; During transportation, one cracked, cracked, or crushed egg is allowed, but not greater than 3.4% of the total number of eggs.

Thus, commercial chicken eggs must ensure standards of quality, tolerance, grading, egg size, etc. In addition, there are a number of other standards that you can see in detail at Vietnam Standard TCVN 1858:2018.

- This English translation is for reference purposes only and not a definitive translation of the original Vietnamese texts;
- Articles may be compiled from a variety of sources;
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Hua Le Huy

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