Changes

Rat Reproduction - Anatomy & Physiology (view source)

Revision as of 13:03, 18 July 2008

193 bytes added , 13:03, 18 July 2008

→‎Female

Line 35: Line 35:

== Female ==

+

== Reproductive tract ==

* [[Female_Reproductive_Tract_-The_Uterus_-_Anatomy_%26_Physiology#Anatomical_Types_of_Uteri|Bicornate uterus]]

Line 40: Line 43:

** Single [[Female_Reproductive_Tract_-The_Cervix_-_Anatomy_%26_Physiology|cervix]]

+

----

+

== Oestrous Cyclicity ==

* Non-seasonal polyoestrus

Line 45: Line 51:

* Duration of oestrus is ~14 hours.

+

----

−

* Ejaculate plug forms in the vagina.

+

== Copulation ==

+

* Evidence that mating has occured is the 'copulatory plug'

+

** Forms in the vagina.

−

* [[Reproductive_System#Gestation|Gestation]] length is 20-~~22 days.~~

+

----

+

== Gestation and Offspring ==

+

* [[Reproductive_System#Gestation|Gestation]] length is 20-22 days.

* Litter size 6-16

* Altricial young

Line 58: Line 69:

* Care not to stress mother or she may cannibalise the young.

+

----

+

== Mammary Gland ==

* 5 pairs of teats.

+

----

Lwilkie

4,503

edits