1. Stable, accurate and fast: steady and steady hands, accurate position and quick speed.
2, pig age, pig species, climate temperature and other conditions are different, the injection method can refer to the ear to hit the ear, the head to fight, eat sneak attack, iron cage imprisonment and so on.
3, the thicker the drug, the slower the bolus.
4, the small blood vessels of the piglets are slow, so the small needles should be slower, the big pigs have large blood vessels, and the big needles should be faster. It is best to put a sterile cotton ball on the back of the needle, and the needle is disinfected at the same time!