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Through the use of artificial insemination. A straw of semen that was collected from a bull and frozen in a semen tank is inserted into the cow's vagina and into the cervix by a AI gun that holds the semen straw. One hand has to be inside the cow's anus to hold the cervix so the straw can go through, and the other hand has to be manipulating the straw into the uterus of the cow. Once the straw is in a little ways into the uterine cavity, the semen is deposited and the gun with drawn and the empty straw discarded.

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15y ago

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