Some even say despite the cooling weather, it's busier than it has been throughout the entire plague.

Often Brock Pearson, from Pearson Pest, has worked 18-hour days to keep up with all the incoming bookings for services in the area.

"A lot of pest control companies, we're all flat out doing absolutely everything we can to get to people," Mr Pearson said.

"Where people have had a service they're needing follow up services just to deal with the influx, especially of mice.

"Anywhere there's a bit of urban development happening, so a lot of the new subdivisions, they're doing all the earth works and they're stirring up all the field mice and in they come."

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Statewide Pest Solutions' Paige Orman said they had to call into homes and businesses repeatedly to keep up with the rodents, and had to increase three month servicing to monthly, "if not more than that as well".

"Werris Creek have been hit hard at the moment, as well as Quirindi, out near the airport at Westdale ... they seem to be the biggest issues for us," Ms Orman said.

Termitrust Pest Control technician Simon Baker said keeping mice away needed a bit of a "common sense approach" from locals.

"We're just trying to educate the residents on how they can help as well, by blocking entry points and cleaning up around the house, to give them less areas to live or nest," Mr Baker said.

But Mr Pearson expects it will take a "good rain and a cold snap directly after" to finally gain the upper hand in the battle against the critters.

"At the moment I still see things continuing on as they currently are, there's no immediate reprieve for probably another couple of months at least until we get that good sort of southerly cold snap," he told the Leader.

"Basically what happens is, all their burrows get flooded and wet and the cold snap, they catch pneumonia and they die basically. That's sort of mother nature's way of helping with things."

He urged locals thinking of taking matters into their own hands, to read instructions properly.

"The biggest thing is to be very mindful if they're doing baiting themselves, so reading the label, and applying the product as per the label directions to make sure there's minimal risk of secondary poisoning of non-target species," Mr Pearson said.

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