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− | == Male ==
| + | <big><center>[[Reproductive System|'''BACK TO REPRODUCTIVE SYSTEM''']]</center></big> |
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| + | <big><center>[[Reproductive_System#Small_Domestic_Mammals|'''BACK TO SMALL DOMESTIC MAMMALS''']]</center></big> |
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− | === Penis ===
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− | * Os penis lies within the tissue of the penis.
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− | === Testes === | + | == Male == |
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| * Two testes in an external scrotum. | | * Two testes in an external scrotum. |
− | * Open inguinal canals throughout life.
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− | ** Allows testes to shrink and return to the abdomen in the non-breeding season.
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− | === Puberty and Sexual Maturity ===
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− | * Sexually mature at 6-7 weeks.
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− | === Mammary Gland ===
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− | * Teats are absent.
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− | ==Female==
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− | === Reproductive Tract ===
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− | * [[Uterus - Anatomy & Physiology#Anatomical_Types_of_Uteri|Bicornate uterus]]
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− | ** Short uterine body
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− | ** Single [[Cervix - Anatomy & Physiology|cervix]]
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− | === Puberty and Sexual Maturity ===
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− | * Sexually mature at 2-4 weeks.
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− | === Oestrous Cyclicity ===
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− | * [[Oestrous Cycle - Anatomy & Physiology|Oestrus cycle]] 4-5 days.
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− | * Post-partum oestrus.
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− | ** Delayed if [[Lactation - Anatomy & Physiology|lactating]].
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− | === Gestation and Offspring ===
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− | ==== Gestation ====
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− | * Gestation period 19-21 days.
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− | ==== Litter ====
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− | * Litter size 6-16
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− | * Altricial young
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− | ** Eyes open at 12-14 days.
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− | * Earliest weaning age 21 days.
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− | * Care not to stress mother or she may cannibalise the young.
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− | === Mammary Gland ===
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− | * 7 pairs of teats.
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− | [[Category:Small Mammal Reproduction]]
| + | == Female == |
− | [[Category:Bullet Points]]
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