When insemination, first use 0.5% potassium permanganate disinfectant to thoroughly clean the vulva, wipe dry, and use a cotton swab to wipe the deep vagina to try to remove vaginal internal organs.
Lubricate the screw or sponge head of the vas deferens with lubricating oil or liquid paraffin. Open the vulva by hand and insert the vas deferens at an angle of 45 degrees upward. When the feeling of resistance is greater, turn counterclockwise, and then gently pull back to determine the vas deferens is locked by the cervical os.
Connect the infusion bottle or insemination bag, lightly press the bottle (bag), and when it feels unobstructed, use a clamp to fix the vas deferens on the hair root of the tail and gently massage the abdomen of the sow or step on its back. Produce a strong static reflection, produce negative pressure, inhale the semen, this process takes about 5 minutes -10 minutes, the inseminator must have patience.
After the semen is inhaled cleanly, remove the infusion bottle (or bag) and plug the insemination orifice with a matching plug to prevent backflow of the semen. When it is determined that there is no semen backflow after 2 minutes to 3 minutes, turn the insemination tube clockwise to make it From the cervix, the insemination process ends.
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