Washed or Unwashed Eggs?

When laid, an egg is coated with a protective coating called “bloom” which dries on the shell and seals it. The bloom helps protect the egg and keep it fresh by blocking gasses and bacteria from passing through the porous egg shell. Eggs also get other material on them from the hen’s feet, or the bedding they’re laid in. Commercial eggs are washed so as to remove anything on the shell, including the bloom. This is another reason for the difference in freshness between commercially produced eggs and home produced eggs.

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