| Line 7: |
Line 7: |
| | * [[Gerbil-Male- Anatomy & Physiology|Male]] | | * [[Gerbil-Male- Anatomy & Physiology|Male]] |
| | * [[Gerbil -Female- Anatomy & Physiology|Female]] | | * [[Gerbil -Female- Anatomy & Physiology|Female]] |
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| − | == Male ==
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| − |
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| − | ----
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| − | == Female ==
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| − |
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| − | * [[Female_Reproductive_Tract_-The_Uterus_-_Anatomy_%26_Physiology#Anatomical_Types_of_Uteri|Bicornuate uterus]]
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| − | * Two channels of the [[Female_Reproductive_Tract_-The_Cervix_-_Anatomy_%26_Physiology|cervix]] separated almost to the single entrance into the [[Female_Reproductive_Tract_-The_Vagina/Vestibule_-_Anatomy_%26_Physiology|vagina]].
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| − |
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| − | * Polyoestrous
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| − | * Post-parturient oestrus
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| − | * Sexual maturity is at ~9-12 weeks.
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| − | * Monogamous (in contrast to [[Small_Mammals_-Rat-_Anatomy_%26_Physiology|rats]] and [[Small_Mammals_-Mouse-_Anatomy_%26_Physiology|mice]]).
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| − | * Mating usually occurs in the evening.
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| − | * Copulation plug is small and lies deep in the [[Female_Reproductive_Tract_-The_Vagina/Vestibule_-_Anatomy_%26_Physiology|vagina]], so cannot easily be detected.
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| − | * [[Reproductive_System#Gestation|Gestation]] period is 22-26 days.
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| − | * Mean litter size is 4-5.
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| − | * May produce a litter every 30-40 days and can produce a total of 10 litters.
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| − | * Maximum breeding age is 20 months, but usually the time between the first and last litter is ~1 year.
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| − | * Pseudopregnancy may occur.
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| − | * Altricial offspring.
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| − | ** Hairless, blind and virtually helpless.
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| − | ** Ears open at 5 days.
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| − | ** Eyes open at 16-17 days.
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| − | ** Cannibalisation/abandoment is rare.
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| − | * 4 pairs of teats.
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