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Can Rodents Be Resistant to Bait?

Updated on: October 4, 2019

Mice resistance to rodenticides can usually be found in larger towns. This is because of the large mice populations in these towns. When a large rodent population grows over a period of time, certain mice who have ingested the mouse bait for whatever reason are not affected by the bait. When mice who do not react to the mouse bait mate they create offspring that are immune to the mouse bait. This is how resistance occurs. The bad news for towns like Morristown and Dover, where rodent populations have experienced this, multiple feeding bait will not work. In these towns a single feeding rodenticide must be used to control mice.

Rodent resistance to bait in our service area is thankfully confined to a small group of towns. This is important because this allows us to use a multiple feeding bait versus a single feeding bait. The advantage of a multiple feeding rodent bait is that it's safer for pets. The Federal Government has eliminated the use of single feeding mouse baits by homeowners. It only allowed to used by Certified Pest Control Operators. We use multiple feeding rodent baits in schools and day care centers as mandated by the State of New Jersey for safety. We always place rodent bait in tamper resistant bait stations. These stations require a specific key to open for added safety. The stations are strategically placed in areas that the mice will likely travel.

The towns that do not have a mouse resistance problem are Chester, Long Valley, Randolph, Mendham, Basking Ridge, Bernardsville, Bedminster, Warren, Roxbury, Flanders, Morris Plains, Hibernia, Ledgewood, Succasunna, Denville and Bridgewater.

The good news is that rats have not shown any resistance to the multiple feeding mouse baits in any of the towns listed above.

Many times homeowners who have mice also have crickets. It is very common to have crickets first then mice. When a cricket problem occurs and the cricket population builds it attracts mice. The mice feed on crickets. It is important to not let a cricket problem get out of control. We offer a scientifically designed program for crickets.

We at PermaKill Exterminating offer a winter rodent plan. This plan will cover your home from September 1st through March 31st for mice. If mice reappear during this period we will retreat for mice at no additional charge. We also offer scientifically designed treatment plans for crickets. We also offer a comprehensive plan called our Home Protection Plan. The Home Protection Plan covers a variety of pests : crickets, mice, ants, spiders, ticks, mosquitoes, bees, wasps, hornets, yellow jackets, squirrels (see Home Protection Page) for all pests included.

If you have a mouse or cricket problem please contact our team today.


New Jersey Areas We Serve

Hunterdon County


Morris County

Long Valley

Somerset County

Warren County

New Jersey Areas We Serve

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