Take a few steps now to make sure the “guests” that come to your house are the cute ones dressed up in costumes, not the furry, unwelcome kind.
House mice are common guests once the outdoor temperatures drop. These small, light gray, furry rodents have large ears and long tail. Their preferred food is grains, but they will munch on just about anything. One reason mice can be a problem once inside is due to their rapid ability to reproduce. Each year, a female mouse can produce 5-10 litters, with about 5-6 young per litter. Mice make nests out of materials like paper, feathers, or other fluffy materials.
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If you don’t want these guests to become permanent residents, there are several methods that can be used for controlling mice in the home. Exclusion is the most common in the fight against house mice. Prevent mice from entering buildings by eliminating openings that are 1/4 inches or larger. Use sealants or mortar to help fill the gaps. Spray-in-place foams and steel wool pads will fill the gaps, but they won’t do much to stop mice from entering. Make sure doors, windows and screens fit tightly. Cover the edges of doors and windows with metal to prevent gnawing.
Population reduction is the other method for controlling mice. Traps and baits are two common population reduction methods. To ensure success with traps, you need to use a sufficient number of traps in areas where mice are living. Snap traps or multiple-capture traps can be used to capture mice. Double setting snap traps, placing two traps close to each other, will yield the best results in situations with high activity. Multi-catch traps can catch several mice at a time without resetting.
Glue boards are another alternative to traps. These sticky boards catch and hold mice as they try to move throughout the home. Be sure to use sticky boards in locations where non-target animals or items won’t get stuck in them. If this does happen, use an oily material, like vegetable or mineral oil, to dissolve the sticky substance. To make the traps more appealing you can apply a food source such as peanut butter, a chocolate chip melted to the trigger, or you can secure a cloth scented with a food source to the traps’ trigger.
Baits are another population reduction method. Be sure to read and follow all directions on baits. When choosing baits, consider the location and method of applications and any non-target pets and children. Choose the type of bait for your specific location and application. Mice have been known to move pelleted baits without eating them. Just because you have an empty box, doesn’t mean they have eaten the bait. Bait stations or bait blocks ensure that the critter actually ate the bait. Baits might not be the best option for inside the home, so select their location wisely.
Use caution when cleaning up droppings, nests or mouse remains. This can help to decrease the potential spread of diseases carried by mice like Hantavirus. Use protective waterproof gloves and spray the carcass and trap or nest with a household disinfectant or a 10% bleach solution. Use a sealable bag turned inside out to pick up the mouse.
To remove feces or urine, spray the area with a disinfectant until wet and wipe up with a towel, rag or mop. Don’t use the vacuum or broom to collect dry feces as that can cause the material to go into the air and be inhaled.
We all want guests to stop by, but with a little work upfront, you can make sure the guests that enter your home will be welcome ones who will yell out “Trick or Treat.”
Elizabeth Exstrom is the Horticulture Extension Educator with Nebraska Extension in Hall County. Contact her at 308-385-5088 or [email protected] Follow her blog at her blog at http://huskerhort.com or check out HuskerHort on Facebook and Twitter.