Rat Baiting Tips

Before you begin to place poisons survey the infested area.

Store any food or feed behind closed doors. It may help to stop feeding wild birds during the treatment programme. Readily-available alternative food access can seriously restrict bait uptake.

It is very helpful to use rat size bait stations to encourage feeding. Rodent bait stations provide the rat with an attractive, protected feeding area.

Generally larger bait boxes (where there is space) are better. The largest rat bait station we stock is the Bora.

In areas of moderate activity place rat bait stations every 10 metres. In areas of high infestation place boxes every 5 metres.

Rat bait stations should be placed where there are signs of activity such as droppings, gnawing or footprints. Place the stations along walls and between living and feeding areas.

To overcome rat neophobia site baiting points several days before putting out the bait.

Site the rat bait stations on a firm level surface. Some bait stations (including the Beta and Bora) come with a bracket that will enable them to be secured to a wall.

When baiting around buildings the actives that can be used are difenacoum and bromadiolone. They are both second generation anticoagulants.

For rat control, bromadiolone is the more effective of these two actives.

The best formulations to control rats are whole grain baits, bait blocks and pasta bait.

Whole grain baits are usually based on wheat which is covered in the active and an indicator dye. Whole grain baits do not resist damp or moisture very well.

Block baits have two formats – extruded blocks and cast blocks.

Extruded blocks have many edges that encourage rats to gnaw. They resist damp conditions better than whole grain baits but not as well as cast blocks.

Cast bait blocks are formed from cereals and are bound together by edible wax. They perform very well in damp conditions.

Both extruded and cast bait blocks have a central hole for fixing in a bait station or wiring in place.

Pasta baits are small sachets that look similar to tea bags (they are often called T Bags by pest controllers). The pasta bait is in an edible paper covering and they can be skewered on the metal rods found in most bait boxes.

Use bait points of 100g. This is usually 4-5 blocks or pasta sachets.

Check baits frequently and replenish any that has been eaten. Daily checks may be required at the start.

Maintain baiting until all signs of consumption and activity have ceased.

Remember, too, that a rodent will feel generally unwell after ingesting a slow-acting anticoagulant and will usually return to its burrow or nest to die, which is why dead rodents are rarely seen.

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