Cleaning up After Rodents (6608)

Cold weather results in larger than normal numbers of rodents moving indoors. House mice make up the majority of rodent infestations in homes. Field mice prefer to stay away from human habitats, but a severe winter may cause them to take refuge in houses.

Mice can cause significant contamination indoors, since the average mouse leaves more than 70 droppings and more than an ounce of urine per day. Both field and house mice are sources of bacteria and diseases.

Preventing rodent infestations is the best treatment, but this is not always possible. Once the animals have been controlled and barred from the house, cleaning up soiled areas is extremely important. When removing dead rodents or their droppings or nesting materials, always wear latex gloves and a dust mask. Avoid disturbing rodent droppings, and never sweep or collect dry excrement. Be especially cautious when entering areas that have been vacated or closed up for a long period. Always use a moist cloth or mop to prevent bacterial spores and viruses from becoming airborne. Humans can breathe in the bacteria and viruses in the air, sometimes resulting in diseases such as histoplasmosis or hantavirus.

Place collected contaminants in plastic bags, seal, and discard with household garbage. Clean contaminated areas with a household disinfectant, such as chlorine bleach or ammonia; never mix cleaning products.

Discard contaminated food items, including pet foods, and items such as paper dishes and napkins.

For more information on this subject, Please visit the College of Agricultural Sciences Publications Web site.

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