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Homeowners should be alert for these signs:
- Rub marks on walls and fences caused by the rats oily fur
- Droppings found in forced air heaters, swimming pool heater covers and water heater
closets
- Visual sightings on utility cables, tops of trees or in trees and bushes
Rat survival and prosperity requires three basic environmental conditions:
- Abundant food
- Available water source
- Access to suitable harborage
Good environmental management practices, supplemented by the wise use of
rodenticides and trappings, are the most effective approaches to rat control.
- Harvest fruits as soon as they ripen.
- Pick up all fallen fruit
- Never leave uneaten pet food outside overnight
- Dense shrubs and plants should be thinned and trimmed well away from roofs, walls,
fences, utility poles and trees
Resident Questionnaire & Mitigation Recommendations
RoofRatControl.pdf (123kb / 6
pgs )
More in-dept information on controlling roof rats.
Courtesy: University of Arizona Cooperative Extension