Sow artificial insemination correct method

Sow artificial insemination correct method is:

One, artificial insemination before the preparation of the items:

Double-distilled water, pumping paper, tubes, lubricants, pig semen, incubators, garbage bags, record books, pens and so on.

Two, the specific operation steps

1 cleaning, drying sows around the pubic area and the inner wall of the pubic area (depending on the situation);

2, drying the vulva;

3, the choice of the vas deferens: reserve and parturient sows use a special vas deferens respectively;

4, the vas deferens coated with lubricant; will be The lubricant front end is extruded and thrown away to avoid contamination, the lubricant surrounds the sponge head in a circle, and attention is paid to avoiding contact between the sponge head and the mouth of the lubricant bottle;

5. Insertion of the vas deferens: the insertion of the tube ensures that the vas deferens is clean and hygienic and the insertion of the outer tube is diagonally upward at 45 degrees;

6. Access to the semen bag;

7. Emptying and fixing the bag;

8. Pulling out the thin tube. Tie the vas deferens;

9, pull out the vas deferens (outer tube), check the sponge head for blood or pus: pull out the outer tube diagonally downward at 45 degrees and pull out slowly;

10, record the mating information, sow card and mating record sheet.

Precautions for artificial insemination of sows:

First of all, consider that the sow is tense: wait for 2 minutes, let the sow relax fully and then try to squeeze, try twice or can't squeeze in, consider that the inner tube is folded, receive the inner tube inside the outer tube and re-insert it again; or can't lose in, pull out the inner tube directly, and use the outer tube directly to do the common The vas deferens is used for artificial insemination.