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  • Disciplina: Biologia e gestione (ANIMALI ESOTICI)
  • Specie: Criceto

The Golden hamster originates from semi-desert areas in the Middle East, where

the climate is hot and arid. In its natural habitat it lives in deep tunnels which protect it from the desert environment. Although present throughout the world as a laboratory animal and a pet, it is possible that it is extinct in the wild.

The Golden hamster has a very short, hairless tail and short fur. Its original colour was a golden brown with a greyish-white belly, but numerous varieties developed subsequently: cinnamon, cream, white, albino, etc., and a long-haired type called “teddy bear”.

A particular characteristic of the Golden hamster is that it has a pair of cutaneous (sebaceous) glands on its flanks, which seem like dark marks on its skin and are much more obvious in males. They are used to mark the territory and also play a role in the animal’s sexual behaviour; these glands must not be confused with tumours or parasites. Golden hamsters have 7-11 pairs of mammary glands. Their body temperature is 36.5-37.5°C.

The Golden hamster is a solitary animal which is very aggressive towards other hamsters. This is particularly true for the females. These hamsters should be housed alone to avoid fights and cannibalism; if attempts are made to keep a couple together, the female almost always ends up killing her mate.

 

Physiological parameters


Life span

Mean 2 years (up to 3 years)

Adult weight (male)

87-130 g

Adult weight (female)

95-130 g

Heart rate

310-471 beats per min.

Respiratory rate

38-110 breaths per min.

Tidal volume

0.8 ml

Minute volume

64 ml

Blood volume

78 ml/kg

Rectal temperature

37.6°C

Daily food consumption

10-15 g

Daily water intake

9-12 ml

 

Reproductive parameters


Sexual maturity (female)

6 weeks

Reproductive cycle

Polyoestrous

Duration of oestrous cycle

4-5 days

Duration of oestrus

8-26 hours

Reproductive potential of female

14 months

Duration of pregnancy

15-18 days

Pups per litter

5-10

Weight at birth

1.5-3 g

Opening of eyes

12-14 days

Age at weaning

19-21 days