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Artificial Insemination - Anatomy & Physiology (view source)
Revision as of 13:14, 16 July 2008
, 13:14, 16 July 2008→Insemination Methods
* Allows further advance of the semen than natural insemination would reach ([[Female_Reproductive_Tract_-The_Vagina/Vestibule_-_Anatomy_%26_Physiology|anterior vagina]]).
* Allows further advance of the semen than natural insemination would reach ([[Female_Reproductive_Tract_-The_Vagina/Vestibule_-_Anatomy_%26_Physiology|anterior vagina]]).
* Only 2-8 million live sperm are required in the semen to achieve fertility in cattle.
* Only 2-8 million live sperm are required in the semen to achieve fertility in cattle.
'''SHEEP'''
'''SHEEP'''
* The ewe has a convex [[Female_Reproductive_Tract_-The_Cervix_-_Anatomy_%26_Physiology|cervix]] with overlapping folds. Insemination is into the internal os of the [[Female_Reproductive_Tract_-The_Cervix_-_Anatomy_%26_Physiology|cervix]].
* The ewe has a convex [[Female_Reproductive_Tract_-The_Cervix_-_Anatomy_%26_Physiology|cervix]] with overlapping folds. Insemination is into the internal os of the [[Female_Reproductive_Tract_-The_Cervix_-_Anatomy_%26_Physiology|cervix]].
* 0.25 ml or less is delivered by pipette.
* 0.25 ml or less is delivered by pipette.
* 70-75% conception rate is achieved with fresh semen, but only 5-15% with frozen semen due to the site of delivery being so far from the site of fertilization.
* 70-75% conception rate is achieved with fresh semen, but only 5-15% with frozen semen due to the site of delivery being so far from the site of [[Fertilisation%2C_Implantation_and_Early_Embryonic_Development_-Fertilisation-_Anatomy_%26_Physiology|fertilization]].