Eggs affected by a fungus may have a green coating of powdery material or a black, beard-like growth on the shell. Sometimes such eggs are said to be affected by mildew.
Incidence
This defect should not occur under good management. Any incidence is unacceptable.
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Cause |
Control |
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Poor hygiene during handling, storage and transport |
Do not use soiled egg-handling equipment. Regularly clean roll-out trays, collection belts and egg fi llers. Use correct egg-washing sanitisers and procedures. Clean and disinfect coolrooms regularly. |
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Warm storage conditions or excess coolroom storage of eggs with other produce |
The storage temperature must be under 15 °C, and the humidity in the storage room under 80%. Store only eggs in the coolroom. |
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Old eggs |
Do not keep old eggs in handling and storage areas because they are more prone to fungal attack. |
