Test Your Knowledge

How did the L. Monocytogenes food outbreak occur in our cantaloupe farm?

The pick up point for a truck used to haul culled cantaloupe to a cattle operation was parked adjacent to the packing facility

There was no pre-cooling step to remove field heat from the cantaloupes before cold storage

The packing facility floor was constructed in a manner that made it difficult to clean

The packing equipment was not easily cleaned and sanitized

Washing and drying equipment used for cantaloupe packing was previously used for postharvest handling of a potato farm

The packing facility’s design allowed water to pool on the floor near equipment and employee walkways

L. Monocytogenes are capable to form biofilms on equipment surfaces/

True

False

What are the critical control points identified in our farm?

Harvesting

Dumping

Washing and Sanitising

Sorting and Grading

What is the recommended sanitisers to use for the washing and sanitising stage of the packhouse?

Chlorine

Peracetic acid

Ozone

Chlorine Dioxide

What are the examples of rapid methods for the detection of Listeria monocytogenes in cantaloupe?

PCR

ELISA

WGS

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