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House Mouse (Mus Musculus)
admin - 05/07/2014

A prolific breeder, the House Mouse is sexually mature at 2 months old, has a gestation period of only 3 weeks, and averages 5 to 8 young per litter, but potentially up to 15. Each female may give birth to 8 litters. The life span can be from 2 to 3 years. The House Mouse is a nibbler, consuming small quantities of food at many feedings. They are “curious”, and tend to investigate new objects that are placed in their environment. Favored foods may be grains, dried fruits, nuts, and sweet materials. They are known reservoirs of diseases such as rickettsial pox (mites), typhus (fleas), and filth problems with Salmonella, tapeworm, roundworm, and others parasites. 

Adults remain small, less than 7 inches long from tip of nose to tip of tail. They have hairless, scaly tails that separate them from meadow or deer mice, and ears relatively bare of hairs. A young rat looks similar to the House Mouse, but the rat has feet and eyes that are disproportionately large in comparison with its head and body. 

The full complement of traps and baits are effective on mice. Exclusion should consider closing any openings as wide as ¼ inch, along with elimination of any harborage sites that are not needed, such as waste piles, packing boxes, woodpiles, or heavy outside vegetation.

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