28/12/2023 11:48

What standards must commercial chicken eggs in Vietnam meet?

What standards must commercial chicken eggs in Vietnam meet?

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.

Hua Le Huy
190


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