Pest

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Pest

RODENT 鼠类

 

GENERAL BIOLOGY

  1. Rodent achieving sexual maturity – 1 to 3 months depending on species
  2. They reproduce 4 to 8 sets of offspring per annum, containing 1 to 12 rats per offspring
  3. The lifespan of the rodents is about 1 year.
  4. Rodents are good swimmers, climber, jumper, highly intelligent creatures.
  5. They are neophobia, so they develop bait and trap shyness very easily.
 
 

RODENT SPECIES THAT WERE COMMONLY FOUND IN SINGAPORE

 

 
House Mouse, Mus Musculus
Roof Rat, Rattus rattus
Norway Rat, Rattus norvegicus
Appearance
Sharp snout, tail is longer than the body and head
Pointed snout, tail is longer than the body
Blunt nose and muzzle
Habitat
Warehouse
Roof in the building 
Coastal, riverbanks, lower portions of building, basement, garbage dump and sewers
Behaviour
Good Climber
Good climber, poor swimmer
Good swimmer, climer and burrower
Body size
Small Size, 6-9cm, 200-300g
Medium size, slender 15-22cm, 200g-300g
Big size, 18-25cm, 300-400g
Droppings
3-6mm, rod shaped
12mm, pointed at both ends
20mm, blunt at both ends

 

Sign of Infestation

  1. Rub marks
  2. Droppings
  3. Tracks
  4. Gnaw marks

Approaches to control them

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