In sheep and goats, an instrument called a speculum and a long, narrow insemination rod are used to deposit semen in the cervix. The speculum is inserted into the vagina and positioned just caudal to the external opening of the cervix. Visualization of the cervical os is enhanced by the use of a standard medical head lamp. When the cervix is located, the insemination rod is inserted through the speculum and threaded into the cervix at least 3 cm. Once the insemination rod is correctly positioned, a syringe or bottle with semen is attached to the other end of the insemination rod and semen is deposited.
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