Controlling Rats and Mice - A Guide to Preventing Infestations (2024)

The house mouse and brown rat are common pests. Rats are efficient burrowers and can burrow for several metres horizontally. Both rats and mice are good climbers and can climb vertical walls and "shimmy" up between walls and drain pipes. Rats are also excellent swimmers and have been known to enter premises through the water traps of the toilet bowl when infestations occur in the main sewerage system.

There are three main reasons rodents must be controlled: They can transmit diseases; contaminate food and can cause damage by gnawing woodwork, water pipes and electric cables.

How can I prevent rat and mice infestation?

A rat needs three things - food, shelter and water. If it can get these it is likely to stay.

Householders can assist in preventing an infestation by taking a number of simple precautions:

  • Keep your gardens free from food i.e. pick up any fallen fruit and residue from bird feeders.
  • Do not put food onto a bird table.
  • Feed birds sensibly by using feeders with a catch tray to stop debris falling onto the ground. Place small amounts of food in feeders to ensure they are emptied daily.
  • Do not throw unwanted food waste into your garden.
  • Keep your home in good repair; rats only need a gap of 15mm to access buildings.
  • Remove potential nesting sites by keep gardens clean and tidy and by cutting back overgrown areas.
  • Ensure drain covers are in place and in good repair.
  • Seal gaps around heating and water pipes.
  • Ventilation bricks and slots should already have a fine wire mesh protection. If this is worn, replace it externally with 3.15mm insect mesh.
  • Do not leave household waste where rats can access it - close bin and composter lids.
  • If you have a compost heap, position it on a hard surface such as open jointed bricks, paving slabs or a fine steel mesh which will allow the liquids to drain away.
  • Secure any gaps beneath your external buildings such as sheds and garages with galvanised wire mesh.
  • Climbing plants which reach gutter level will allow rodents to access your roof space and from there into the wall cavity and the rest of your home.

Fallen food from bird feeders is highly desirable to rats, it is a good idea to use bird feeders with a catch tray.

Controlling Rats and Mice - A Guide to Preventing Infestations (2024)

FAQs

Controlling Rats and Mice - A Guide to Preventing Infestations? ›

Avoiding rodent problems

Dispose of food scraps promptly and clean food preparation areas thoroughly. them where possible with concrete, hard setting filler, steel wool or heavy gauge sheet metal. Ensure rubbish bins have tight-fitting lids and are regularly emptied. Keep your home and property clear of rubbish.

What are the ways of controlling rats and mice? ›

Avoiding rodent problems

Dispose of food scraps promptly and clean food preparation areas thoroughly. them where possible with concrete, hard setting filler, steel wool or heavy gauge sheet metal. Ensure rubbish bins have tight-fitting lids and are regularly emptied. Keep your home and property clear of rubbish.

What is the most important reason for control of rats mice and co*ckroaches? ›

Rodents such as rats and mice can spread disease to humans and destroy property. Disease can be spread to humans by an infected flea bite, or by direct contact with infected rodents, their urine, feces, or nests.

How to stop a rat infestation? ›

Keeping Rats Out
  1. Don't feed rats. Limit their food source by placing trash in covered metal or heavy duty plastic trash containers. ...
  2. Remove rats' shelter. Indoors, replace wooden basem*nt floors with poured concrete. ...
  3. Keep them out.

Which is the best action for preventing mice and rats from entering the kitchen? ›

Simple Rodent Control Tips

Seal cracks and holes on the outside of the home, including areas where utilities and pipes enter the home, using caulk, steel wool or a combination of both. Store food in airtight containers and dispose of garbage regularly.

What methods help to prevent mice and rat infestations? ›

Discourage rats and mice from taking up residence on your property by removing food and water sources, and items that can provide them shelter: Seal holes inside and outside the home to keep rodents out. This may be as simple as plugging small holes with steel wool, or patching holes in inside or outside walls.

What is the best thing to get rid of rats and mice? ›

The best way to get rid of rats or mice is by using traps. If using spring loaded traps for rats, bait three of them in a row without setting them. Bait with dried fruit, peanut butter mixed with oats, or cheese.

What do rats hate most? ›

What smell do rats hate the most?
  • Mothballs.
  • Garlic.
  • Peppermint oil.
Jul 19, 2023

How do you get rid of 100% rats? ›

Pest control is the most efficient method to get rid of rats quickly but the usage of mouse traps, snap traps, chemical baits, and live traps are all effective methods to get rid of rats as quickly and effectively as possible.

What scent will keep rats away? ›

Eucalyptus oil

It has been proven to have strong repellent effects against rodents. It can significantly reduce the likelihood of an infestation when applied around the house.

Does vinegar repel mice and rats? ›

Vinegar works by masking smells and oils which will deter mice and rats from entering an area or chewing on any material. However, it needs to be used with other methods since vinegar by itself will not keep rodents away from your home.

What stops rats from entering house? ›

Close any gaps and holes in the wall

Look carefully for gaps or holes large enough in the walls through which rats may access your home. Immediately cover all holes in the wall using stainless steel wire and tape (water, cement, and sand) to prevent rats from entering the home.

Does peppermint repel rats? ›

Due to the rodents natural sensory systems Rats are highly sensitive animals that can be deterred by even the slightest potent scent. Like many essential oils, peppermint not only contains an extremely powerful aroma, but also a distinct freshness that rats in particular tend to despise.

How can we control rats? ›

Keeping Rats Under Control

Help yourself and your neighbors by keeping trash picked up and placed in covered, rat-resistant containers. Promptly remove or repair any shelter areas, such as fences and old appliances. Periodically check for new entry holes into neighborhood buildings, and seal them up quickly.

How are rats being controlled? ›

The two best ways to remove rats are traps or poison. The use of either requires caution! Traps. Choose wooden base snap traps, and enlarge the traps by fastening a 2-inch square of cardboard to each trigger.

What runs mice and rats away? ›

Essential oils that may be helpful in repelling rats and mice include peppermint oil, lemon oil, citronella oil, and eucalyptus oil.

What do rats and mice hate most? ›

13 scents that mice hate and can help you to keep them away
  • Teabags. ...
  • Mint toothpaste. ...
  • Ammonia. ...
  • Cayenne pepper. ...
  • Mothballs. ...
  • Chili oil/powder. ...
  • Eucalyptus oil. ...
  • Cedarwood oil. It acts toxic to rodents and has a fragrant, woodsy scent that is very unpleasant to them.

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