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− | <big><center>[[Reproductive System|'''BACK TO REPRODUCTIVE SYSTEM''']]</center></big>
| + | == Male == |
| + | |
| + | === Penis === |
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− | <big><center>[[Reproductive_System#Small_Domestic_Mammals|'''BACK TO SMALL DOMESTIC MAMMALS''']]</center></big>
| + | * Os penis lies within the tissue of the penis. |
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| + | === Testes === |
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| + | * Two testes in an external scrotum. |
| + | * Testes descend into the scrotum at the beginning of the mating season (January) and begin spermatogenesis. |
| + | * Open inguinal canals throughout life. |
| + | ** Allows testes to shrink and return to the abdomen in the non-breeding season. |
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− | * Reproductive tract anatomy of both sexes is similar to that of the Mouse,Rat,Hamster and Gerbil.
| + | === Puberty and Sexual Maturity === |
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| + | * Sexually mature at 6-7 weeks. |
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− | == Male ==
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− | * Testes descend into the scrotum in January and begin spermatogenesis.
| + | === Mammary Gland === |
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− | ----
| + | * Teats are absent. |
| == Female == | | == Female == |
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− | * [[Female_Reproductive_Tract_-The_Uterus_-_Anatomy_%26_Physiology#Anatomical_Types_of_Uteri|Bicornate uterus]] | + | === Reproductive Tract === |
| + | |
| + | * [[Uterus - Anatomy & Physiology#Anatomical_Types_of_Uteri|Bicornate uterus]] |
| ** Short uterine body | | ** Short uterine body |
− | ** Single [[Female_Reproductive_Tract_-The_Cervix_-_Anatomy_%26_Physiology|cervix]] | + | ** Single [[Cervix - Anatomy & Physiology|cervix]] |
| + | |
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| + | === Puberty and Sexual Maturity === |
| + | |
| + | * Sexually mature at 12 months. |
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| + | |
| + | === Oestrous Cyclicity === |
| + | |
| + | * Seasonally Polyoestrous. |
| + | * Spontaneous ovulator. |
| + | * Breeding season is March-September. |
| + | * Length of [[Oestrous Cycle - Anatomy & Physiology|oestrous cycle]]: 14 days |
| + | * '''Oestrus''' lasts three days. |
| + | * Advertises willingness to mate with persistent chipping noise on the second day of oestrus. |
| + | |
| + | === Gestation and Offspring === |
| + | |
| + | ==== Gestation ==== |
| + | |
| + | * Gestation period 28-32 days. |
| + | |
| + | ==== Litter ==== |
| + | |
| + | * Litter size 2-6 |
| + | * Altricial young |
| + | ** Weaned at 6-7 weeks |
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| + | === Mammary Gland === |
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− | * '''Seasonally polyoestrous'''* Spontaneous ovulators | + | * 4 pairs of teats. |
− | * Breeding season March-September
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− | * '''Oestrus''' lasts three days
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− | * Advertises willingness to mate with persistent chipping noise on the second day.
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− | * 4 pairs of teats
| + | [[Category:Small Mammal Reproduction]] |
| + | [[Category:Bullet Points]] |