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Blog - Rongeurs

Norway Rat

rat1

13 février 2014 Rongeurs,

RATTUS NORVEGICUS

APPEARENCE

• Up to 15 3/4 » in length, with a tail shorter than the head and body.

• 350 – 500g in weight.

• flat nose , small ears and a thicker body compared to the Black Rat (Rattus rattus) .

LIFE CYCLE
• 7-8 young per litter ; 3-6 litters per year .

• 3-week gestation period .

• 10 to 12 weeks from birth to sexual maturity.

Habits
• Usually they live in soil , land and sewers, but often climb .

• Food is favorite cereals.

• They eat about 30g of food a day and drink 60 ml per day.

Mouse

souris

Rongeurs,

MUS DOMESTICUS

APPEARENCE

• 2 3/4 » – 3 3/4″ in length , with a tail around the same length.

• 12 – 30g in weight.

• Their little feet and head and large eyes and ears distinguish them from a young brown rat (Rattus norvegicus) .

LIFE CYCLE
• 4 to 16 young per litter ; 7-8 litters per year .

• 3-week gestation period .

• 8 to 12 weeks from birth to sexual maturity.

Habits
• Usually they live in the soil and land , but often climb .

• Favorite food are cereals .

• They eat around 3 g of food per day and can survive without additional water. They drink up to 3 ml a day if their diet is particularly dry .