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Green Pest Management | ID your Bugs | Animal Issues | Natural Living
All Creatures Great and Small

# Mice

Posted by askthebugman ⋅ September 28, 2019 ⋅ 2 Comments

Fall is here and mice may be coming to visit. The deer mouse is one of the most common rodent species found throughout most of the United States . They are 4” - 9” long, are reddish-brown in color with a white chest, white feet, and a bi-colored tail: brown on top and white on bottom. Their natural habitat is in rural and semi-rural areas, where they inhabit fields, pastures, and various types of vegetation found around homes and outbuildings. This mouse commonly invades garages, attics, sheds, wood piles, crawl spaces, as well as general living quarters of homes.

Mice can enter 1/4” openings. They may get in through broken windows, poorly screened attic and foundation vents, openings through any walls created by cable, oil, propane, electric, gas, water and/or sewage services, and through any other openings or cracks or crevices in foundations, walls or roofs. They can also chew holes directly through siding and/or window or door frames.

While house mice (Mus musculus) aren’t linked to Hantavirus, they are very prolific and very unpleasant to have infesting your home. Under optimum conditions, house mice breed year round. Outside, house mice may tend toward seasonal breeding, peaking in the spring and fall. Females may produce as many as ten litters (about 50 young) in a year.

Mice are very curious and tend to travel over and explore and re-explore their entire territory daily, investigating each change or new object that may be placed there. They are very aggressive. They show no fear of new objects. They dart from place to place, covering the same route over and over again. This behavior can be used to advantage in control programs. Disturbing the environment at the beginning of a control program by moving boxes, shelves, pallets, and other objects can improve the effectiveness of traps. Mice will investigate the changed territory thoroughly. This is why (live catch) traps work so well.

House mice prefer cereals over other items, although they will feed on a wide variety of foods. Mice sometimes search for foods high in fat and protein, such as lard, butter, nuts, bacon, and meat. Sweets, including chocolate, are taken at times. Mice get much of their water from moisture in their food, but they will drink if water is readily available. Mice in buildings catch and eat flies, spiders, centipedes, cockroaches, beetles, millipedes and other arthropods. Outdoors house mice consume a wide variety of weed seeds, grass seeds, various grains and vegetation. In addition, they consume many insects and other invertebrates, e.g., slugs, spiders and centipedes. When caught in a live trap, mice trapped later may eat the first, weaker captive(s).

Here are some recommendations for managing mice in your home or business. Keep rodents out of garages, sheds or barns by keeping access to water, food and nesting materials and harborage areas away from them, especially within 100 feet of your occupied buildings. Repair all holes in buildings that would allow rodents entry. Remember that the territory of mice rarely extends further than 30 feet from the nest, and more often is about 10 feet. If mice are sighted throughout a building, it means that there are numerous discrete locations where you will have to set traps. When using live traps, oatmeal is a very effective bait. On snap traps, a piece of Slim Jim is almost irresistible to mice. It is much more effective than cheese or peanut butter. When you find a mouse in a snap trap, spray it with a disinfectant and put it in a plastic bag before disposing of it.

Never use rodenticides for several reasons. First, if a mouse dies where you can’t find it you will have an odor problem. Also, if the mouse (particularly deer mice) have ectoparasites such as fleas or mites, they will leave the dead carcass and may attack the human occupants of the house. Mice should always be controlled with snap or live traps. If you have a crawl space under your house, you should have it mouse-proofed. Trapping with snap traps or live traps will work for rats as well. Basically, the control methods are similar with both animals.

If you have any pest questions, you can contact me at askthebugman2013@gmail.com.

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## About askthebugman

I have been in the pest management industry for over 40 years. In that time I have used almost every pesticide available to control so-called “pests”. With this experience, I have learned over the years that the pesticides we use are far more dangerous than the pests we are trying to control. As a result, it has become a passion for me to improve the quality of life for humans and the planet, by assisting people to not only become more educated and aware of their environment – but also by learning to manage their home and business with a sustainable and healthier approach to tending to unwanted infestations of bugs. Please enjoy my blog posts, check out my publications, utilize my services, or simply stay in touch if you have a bug question…
View all posts by askthebugman »

## Discussion

### 2 thoughts on “Mice”

1. HUGE THANK YOU FOR THIS INFORMATION!
   Another reason to not use rodenticide: it will kill any predator that eats the dead rodent - which is cause of species die off, right?

   Posted by C.C. | September 29, 2019, 2:01 pm
   Reply to this comment

   - Yes, it kills predators. It also causes any fleas on rodents to leave the dead rodent and bite another animal which could be a pet or human.

     Posted by askthebugman | September 29, 2019, 2:26 pm
     Reply to this comment

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