The reputed pest control companies will use pesticides to control the infestation. Also, different traps will be applied to your property like meal baits, liquid baits, etc. Even the extreme level of infestation in your property will be taken care of well. You can see the expected results in just a few days. Rodents will take some days to get trapped with the help of bait and feed on it. But once they start doing so, they will be killed.