It is important to be patient when controlling rats. Rats are often suspicious of new or unfamiliar objects. Do not be surprised if it takes up to two weeks for rats to enter and feed in recently placed bait stations. |
As with mice bait placement techniques use closer spacing of bait placements in a heavy infestation, placing bait between their harboraging areas and food sources.
Always try to place baits between there harboraging areas and all food sources.
* Place bait above ground, such as the rafters and garages, fence rails, trees, telephone phones, etc. They should be tied securely so non targeted animals and children may not access them. * Roof rats may travel quite a distance to access food. In residential areas for example, roof rats may travel from harboring areas in trees to feed in garbage cans, pet dishes , etc. * Inspect dense cover areas, because roof rats like to rest and feed in these areas. These are areas that you will want to place your bait or traps. * Roof rats like to feed on smaller amounts and various locations than the bigger sized Norway Rat. Provide more areas for feeding. * You can use PVC pipes(2 inches in diameter) as bait stations to bait on narrow ledges and overhead areas. Bait blocks should be wired, and the PVC pipe affixed to the areas.
* Once these bait stations are placed, avoid moving them. Some rats have a reaction against moved objects. Of course after a time, and the rats are not taking the bait , it would warrant moving the station. * Rats consume much more bait than mice. Each rat may consume 1 ounce or more nightly. Keep plenty of bait available to refill the bait stations. * In damp conditions use weather resistant blox/block forms. If necessary tie down the bait in order to prevent them from washing away.
Bait Station Maintenance
Maintain the bait stations regularly with fresh anticoagulant bait to keep rodent numbers at a low level, as rodents will move in from other areas. When using baits, monitor their freshness and quality, as rats and mice will often reject spoiled or stale foods. Provide enough fresh bait for rodents to eat sufficiently, but don't overfill bait stations. When initially positioning bait stations, check them daily and add fresh bait as needed. After a short time, rodent numbers and feeding will decline, and surveillance of stations will only be necessary every two weeks or so. If the bait becomes moldy, musty, soiled, or insect-infested, empty the bait station, clean it, and refill it with fresh bait.
Dispose of spoiled or uneaten bait in accordance with the label. If possible, dispose of the spoiled toxicant at a qualified toxic-waste facility. If ants are a problem, treat the station interior (especially the bait tray) with a low-odor, liquid pyrethroid insecticide. Let the insecticide dry before filling the station with toxicant. Insecticides will not likely deter rodents, provided that the insecticide is applied at labeled rates.
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