Introduction

For a Hazard Analysis and Critical Control Point (HACCP) plan to work well, it is important to first identify and understand all possible food safety risks. To help with this key step, we have created several detailed hazard analysis tables that cover a wide range of contaminants.

The information below focuses specifically on pest-related hazards. These include the presence of pests themselves or evidence of their activity, which can lead to the physical, chemical, and microbiological contamination of food and pose a risk to consumer health. The hazard table provided gives a complete overview of this category, showing potential pests, their associated risks, effective prevention strategies, and listing the prerequisite program checks needed for their management.

Because the table contains a lot of detailed information spread across many columns, it is best to download the file to see it properly.

What are pest-related hazards?

A pest-related hazard involves the contamination of food by pests such as insects (e.g., cockroaches, flies, beetles), rodents (e.g., rats, mice), and birds. The hazard is not only the physical presence of the pest itself but also the contamination it introduces, including droppings, urine, feathers, nesting materials, and the pathogenic microorganisms they may carry.

Pests can enter food production environments through various routes, such as open doors and windows, cracks in walls and floors, drains, or within deliveries of raw materials. Once inside, they seek food, water, and shelter, and their presence can quickly lead to widespread contamination.

To protect food integrity, the food industry employs robust control measures, typically as part of an Integrated Pest Management (IPM) program. These programs focus on prevention and include sealing potential entry points, maintaining high standards of sanitation to eliminate food and water sources, and regular monitoring for any signs of pest activity. When pests are detected, targeted and approved control methods are used. A well-documented IPM program is a critical prerequisite for any food safety system and is essential for minimizing the risks associated with pests.

Table: Pests Hazards

Pest Control Hazards Table

Pest Pest Category Commonly Contaminated Foods Main Risks Key Prevention Steps Signs of Infestation
House Mouse
(Mus musculus)
Rodent Cereals, grains, pasta, and other packaged dry goods that they can gnaw on. • Carrier of pathogens. • Contaminates food with droppings and urine.
• Gnaws on packaging and wires.
• Seal all gaps larger than a pen (6mm).
• Store food in sealed, hard containers.
• Keep floors clean of crumbs and spills.
Small, dark droppings (rice-grain size); gnaw marks; a distinct musky smell.
Norway Rat / Brown Rat
(Rattus norvegicus)
Rodent Almost anything, including bulk sacks of grain, stored meat, and food waste in bins. • Carrier of pathogens, including diseases like Leptospirosis.
• Contaminates food with large droppings.
• Causes significant gnawing damage to buildings and equipment.
• Seal all gaps larger than a coin (12mm).
• Keep building exterior clear of debris.
• Securely close all waste bins.
Large droppings; greasy rub marks along walls; gnawing damage.
Cockroaches
(Blattella germanica, Blatta orientalis)
Crawling insect Any uncovered food, crumbs, or food residue, especially in warm and damp areas. • Carrier of pathogens from drains to food surfaces.
• Shed skins and droppings can cause allergies and asthma.
• Seal cracks and crevices in walls and floors.
• Fix leaks and eliminate dampness.
• Practice intensive daily cleaning.
An unpleasant oily smell; small, dark droppings that look like coffee grounds; seeing one during the day.
Stored Product Beetles
(Weevils - Sitophilus spp., Flour Beetles - Tribolium spp.)
Crawling insect Flour, rice, grains, pasta, nuts, and spices. • Direct contamination of food with live insects, larvae, and waste.
• Causes "off" odours and can spoil entire batches of product.
• Inspect all incoming dry goods for pests.
• Store ingredients in cool, dry conditions in tightly sealed containers.
• Use older stock first (FIFO).
Live or dead insects in packaging; small, round holes in whole grains.
Filth Flies
(House fly - Musca domestica, Fruit fly - Drosophila spp.)
Flying insect Any uncovered food, especially fresh produce, meats, and sugary liquids. • Carrier of pathogens by moving from garbage and faeces to food. • Use screens on windows and doors.
• Keep all waste bins lidded.
• Clean up spills immediately.
Live flies buzzing around; small dark spots (fly specks) on walls, ceilings, and light fixtures.
Stored Product Moths
(Plodia interpunctella)
Flying insect Dried fruit, nuts, grains, cereals, and chocolate. • Contamination of food with larvae (caterpillars) and their silky webbing. • Inspect incoming goods for signs of webbing.
• Store susceptible foods in sealed containers.
• Use pheromone traps to monitor for activity.
Silky webbing in and on food packaging; small, white larvae (caterpillars); adult moths flying in storage areas.
Ants
(Lasius niger, Monomorium pharaonis)
Crawling insect Spilled sugar, syrups, honey, and crumbs on floors and counters. • Carrier of pathogens from the floor to food preparation surfaces.
• Physical contamination of food.
• Seal cracks where they may enter.
• Clean up all sugary spills and crumbs promptly.
• Store sweet foods in sealed containers.
Seeing live ants foraging in a trail.
Stored Product & Fungus Mites
(Flour mite - Acarus siro, Fungus mite - Tyrophagus putrescentiae)
Arachnid Flour, grain, and cheese, especially if stored in damp or humid conditions. • Causes a musty, foul odour that ruins food.
• Can cause allergic skin reactions ("baker's itch").
• Control humidity: Keep storage areas cool, dry, and well-ventilated.
• Do not store products directly on the floor.
A brownish, moving "dust" on the surface of products or shelves; a distinctive minty or musty smell.
PigeonsSparrowsGulls
(Various species)
Bird Bulk ingredients stored outside, products near loading docks, and food in waste bins. • Droppings can contain pathogens.
• Feathers and nesting materials can be physical contaminants.
• Install bird netting, spikes, or wires to prevent birds from landing or nesting on the building. Droppings on or around the building; feathers; nesting material; direct sightings of birds inside.

Download and Print the Pests Hazards Table

Comprehensive compliance with iMIS Food

Please note that the hazard tables provided here are for informational purposes and serve as a general guide. iMIS Food Compliance offers significantly more detailed and robust hazard analyses that are essential for full regulatory compliance. For more information on our complete food safety solutions or to request a consultation, please get in touch via email or visit the following page

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