YES YES MICE. Everyone is correct, elimination is the best answer, IF you are able to catch them ALL! Good Luck, one female mouse is capable of having an average of 100+ pups/year (1 litter every 20 days, I'm sure some of the pups will be female) NO END to the birth rate! Our solution was to keep them from entering the MH, another daunting task trying to find all the points of entry. After several frustrating futile attempts we opted for the PEPPERMINT treatment. NO mice in over a year. Another upside is the MH smells pleasantly fresh.
We live on forty acres in the MN woods, yes there are definitely mice in them thar woods. We used half the bottle last fall placed in small containers around the MH, still today it smells fresh and no mice signs:
https://www.amazon.com/s/ref=bl_dp_s_web_0?ie=UTF8&search-alias=aps&field-keywords=LAB+BULKS+ESSENTIAL+OIL Best of luck; Clyde