Rats & Mice

Brown Rat/Common Rat (Ratus Norvegicus)

Appearance

  • Blunt nose, small ears and a thicker body when compared to the Black Rat (Rattus rattus).
  • Up to 40 cm in length, with a tail shorter than the head and body
  • 350 – 500g in weight.

Lifecycle

  • 7 – 11 young per litter; 4 – 6 litters a year.
  • 8 – 12 weeks from birth to sexual maturity
  • Gestation period of about 3 weeks.

Habits

  • Usually ground living and burrowing, but can also climb. The only species to occur in sewers in UK.
  • Preferred food is cereals.
  • Will eat around 30g of food a day and drink 60ml.

Mouse (mus domesticus)

Appearance

  • 7 – 9.5cm in length, with a tail around the same length.
  • 12 – 30g in weight.
  • Their relatively small feet & head and large eyes & ears distinguish them from a young brown rat (Rattus norvegicus).

Lifecycle

  • 4 – 16 young per litter; 7 – 8 litters a year.
  • Gestation period of about 3 weeks.
  • 8 – 12 weeks from birth to sexual maturity.

Habits

  • Usually ground living and burrowing, but often climbs.
  • Preferred food is cereals.
  • Will eat around 3g of food a day and can survive without any additional water. They will drink up to 3ml a day if their diet is particularly dry.

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Telephone: 0800 731 3647
Mobile: 07595 115630
Email: info@cmpcpestcontrol.co.uk

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