The use method of claw ring is to tie the claw ring to the wood with a sharp object, then press the screw into the small hole, and then screw it in with a screwdriver with great strength.

The croissant is to drive the livestock into the claw fence, and two or three people can complete the inoculation. This style of pen has been used to this day.

Winter is long in forest areas, and livestock forage is often in short supply in spring. Many pregnant women can't keep up with the nutrition and have difficulty in production, so we go to the scene to give birth and even have a caesarean section.

I also use the knowledge I have learned to teach the knowledge of breeding, epidemic prevention, drug use, weeding and scientific shed building.

After several years of guidance and farmers' own exploration, most farmers have mastered the skills of livestock breeding and embarked on the road of sustainable development of scientific and standardized breeding.