Hazards and their management during longer-term grain storage

Production of ochratoxin A

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Critical control point

Store grain below 14.5% MC and 5°C, except malting barley, which should not be stored below 10°C

Check temperature and moisture content regularly

Investigate any significant changes; review practices and grain condition

Development of insect and mite populations

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Critical control point

Store grain below 14.5% MC and 5°C, except malting barley, which should not be stored below 10°C; store oilseed at 7.5–8% MC and <5°C

Position traps and check traps correctly; check temperature and moisture content regularly

Investigate source of infestation and any significant changes in MC or temperature; review grain condition and practices; consider need for treatment

Introduction of pesticide residues

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Use only approved products and conform to manufacturer’s guide for use; check condition and calibration of spray equipment

Check records of pesticide application

Review applications and practices

Introduction of bird and rodent faeces

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Keep store clean and proof to prevent entry

Check for bird and rodent presence

Check proofing measures; consider control options

Introduction of glass

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Glass control procedures

Check for compliance with procedures

Remove and replace or protect