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Poultry
How can fresh eggs and old egg be identified in egg storage facility
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3 Replies
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In an egg storage facility, fresh eggs can be identified by their sinking and lying flat in water, while old eggs will float or stand upright.
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Identifying fresh and old eggs in an egg storage facility can be done using several methods:
1. Float Test (Water Test)
Fill a container with water and gently place the eggs inside.
Fresh eggs: Sink to the bottom and lay flat.
Slightly old eggs (1–2 weeks): Stand upright but still touch the bottom.
Old eggs: Float to the top due to increased air pockets inside.
2. Candling Test (Light Inspection)
Hold the egg against a bright light in a dark room.
Fresh eggs: Have a small air cell and the yolk remains centered.
Old eggs: Show a larger air cell, and the yolk moves freely due to thinner albumen.
3. Shake Test
Gently shake the egg near your ear.
Fresh eggs: No sound (thick albumen keeps the yolk stable).
Old eggs: Sloshing sound due to thinning egg whites.
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In a fresh egg, the yolk sits up high, and the white is thick and closely surrounds the yolk. An older egg has a flat yolk that breaks easily and a thin, watery white.
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