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Egg Size and Weight Class

 The egg size tells you the minimum required net weight per egg. It does not refer to the dimensions of an egg or how big it looks.

Weight Class Minimum net weight per egg
JUMBO More than 66 g
EXTRA LARGE 59 g - 66 g
LARGE 51 g - 59 g
MEDIUM 43 g - 51 g
SMALL 33 g - 43 g

Grade One Egg Specification

  1. Soundness of shell - No cracks.
  2. Cleanliness of shell - Clean.
  3. Shape of shell - Regular.
  4. Texture of shell - Strong.
  5. Blood spots, blood rings in eggs.
    • Up to and including 1mm in diameter - Maximum of 3.3 % of samples tested.
    • More than 1mm in diameter - Maximum of 1.6 % of samples tested.
  6. Unacceptable odours - None.
  7. Yolk
    • Characteristic colour - Between 7 & 9 on the ROCHE scale of colours.
    • Normally positioned.
    • Not spotted, flat or enlarged.
  8. Egg white.
    • Clear.
    • Haugh value of at least 55 units.
  9. Air cells maximum depth of 6mm.