Rat or mouse nuisance? Here's how to tackle it

A noise behind the wall, small droppings in a cupboard or gnawed packaging: you want to get rid of rat or mouse infestation quickly. However, a good approach doesn't start directly with pest control.

Rats and mice are attracted to something. They are looking for food, water, warmth, and a sheltered place to stay. As long as these conditions remain and they can easily enter, a home or business premise remains attractive.

A sustainable approach therefore starts with a simple question: why are the rodents coming here, and how can I prevent it?

How to recognize rat and mouse infestation?

Rats and mice are mainly active when it is quiet. Therefore, you often don't see them yourself. Often, it's the traces that betray their presence.

For example, look for droppings along walls or in cupboards, gnawed packaging, gnawing marks, nesting material, and scratching or rustling sounds in walls, ceilings, or floors.

Greasy smudge marks along fixed routes can also be an indication. Rats and mice often use the same routes between their hiding place and food source.

It is wise to take such signals seriously. Rodents can contaminate food and packaging and damage materials. They can also gnaw on electrical wiring.

Why do rats and mice come inside?

A home, shed, garage, warehouse, or business premise can be an attractive environment for a rodent. Indoors, it is often warmer and drier than outside, and food and sheltered places are available.

Sometimes surprisingly little is needed for this. Think of pet food left out overnight, crumbs under kitchen appliances, improperly sealed waste, or supplies stored in easily accessible packaging.

In addition, small openings can be enough to get inside. Connections around doors, pipes, ventilation openings, floors, and facades, in particular, deserve attention.

Therefore, simply removing a rat or mouse often has insufficient effect. If the conditions remain the same, another animal can find the same way in.

Start with prevention and exclusion

A good approach consists of multiple measures that reinforce each other. This principle aligns with Integrated Pest Management (IPM): first prevent and exclude, and only then, when necessary, use other control methods.

The most important measures are relatively simple.

Seal off access routes. Check for holes, cracks, and openings around pipes, doors, ventilation, and other passages. Use material that rodents cannot easily gnaw through.

Make food inaccessible. Store foodstuffs and pet food in well-sealed packaging and remove crumbs and food scraps.

Seal waste properly. Waste is an attractive food source. Use well-sealable waste bins and also keep the area around containers clean.

Limit hiding places. Boxes, stored materials, and quiet, dark corners can be ideal hiding and nesting places.