Government of New Brunswick

Control Methods


  • Seal all openings larger than 1/4 inch (0.6 cm) wide. 

Habitat Modification

  • Store foodstuffs in rodent-proof structures or containers.
  • Control weeds and remove debris from around structures. 
  • Good sanitation practices reduce sources of food, water, and shelter.


  • Ultrasonic devices have not been proven to control mice


  • Live traps (Sherman-type, Ketch-All®, Tin Cat®, and others)
  • Snap traps.

Other Methods

  • Predators: dogs and cats are of limited value in some situations.