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Gerbil Reproduction - Anatomy & Physiology (view source)
Revision as of 08:46, 23 July 2008
, 08:46, 23 July 2008→Gestation and Offspring
== Gestation and Offspring==
== Gestation and Offspring==
=== Gestation ===
* [[Reproductive_System#Gestation|Gestation]] period is 22-26 days.
* [[Reproductive_System#Gestation|Gestation]] period is 22-26 days.
* May produce a litter every 30-40 days and can produce a total of 10 litters.
* May produce a litter every 30-40 days and can produce a total of 10 litters.
* Maximum breeding age is 20 months, but usually the time between the first and last litter is ~1 year.
* Maximum breeding age is 20 months, but usually the time between the first and last litter is ~1 year.
* Pseudopregnancy may occur.
* Pseudopregnancy may occur.
=== Litter ===
* Mean litter size is 4-5.
* Altricial offspring.
* Altricial offspring.
** Hairless, blind and virtually helpless.
** Hairless, blind and virtually helpless.
** Eyes open at 16-17 days.
** Eyes open at 16-17 days.
** Cannibalisation/abandoment is rare.
** Cannibalisation/abandoment is rare.
== Mammary Gland ==
== Mammary Gland ==
* 4 pairs of teats.
* 4 pairs of teats.