(1) Semen Check the semen from the 170C freezer, shake gently, take 1 drop from the sterilized dropper and place it on a preheated glass slide, place it on a 370C thermostat for a while, and examine it with a microscope. , Semen activity is not less than 0.7 before insemination.
(2) Insemination personnel should disinfect, clean hands, or wear clean latex gloves.
(3) Clean the sows around the vulva, tail and roots with a 0.1% potassium permanganate solution, then wet the towels with warm water and wipe the genital area.
(4) Remove the new disposable vas deferens from the sealed bag (the hand should not touch the first two-thirds of the vas deferens) and apply semen as a lubricating fluid on the front end.
(5) The vas deferens 45. Insert the horn upward into the genital tract of the sow. After 3 to 4 cm of the vas deferens, turn it clockwise. When there is resistance, continue to rotate slowly and move back and forth until you feel that the front end of the vas deferens is locked (slightly pulled back) and confirmed Really locked by the cervix.
(6) Remove the qualified semen from the storage tank. Slowly shake the semen upside down, cut the bottle mouth with scissors, connect it to the vas deferens, and begin insemination.
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