What are the common blood collection methods?

1. 1 Blood collection site of large livestock (cattle and horses): jugular vein 1.2 Methods: Baoding strain was established, and the jugular vein groove was sheared and disinfected. When the operator stands, press the lower end of the jugular vein with one hand to make it full of life, and hold the needle 16 and pierce the jugular vein vertically with the other hand for 1 ~ 2 cm. 2. Blood collection from sheep 2. 1 Location: jugular vein 2.2 Methods: Ride Baoding, cut jugular vein and disinfect it. The operator squeezes the lower end of the jugular vein with one hand to make the neck still and full of life, and the other hand pierces the 12 needle into 0. 5~ 1 cm parallel to the jugular vein, so that blood can flow out. After blood collection, let go first. 3.3. 1 Pig blood collection sites: anterior vena cava (piglet) and ear vein (adult pig). 3.2 Method: A, the standing Baoding pig lies on its back, with its head and neck curled up, and the fossa of the anterior vena cava (located inside the scapula, feeling like a fossa when pressed by hand) is disinfected. The operator holds a blood sampler and stabs 2~3 cm at the end of a person's heart at an angle of 45 ~ 60 degrees, which makes the blood full of anger. The operator straightens the pig's ear with one hand and pierces the ear vein with the other hand. After the blood collection is completed, let go of the ear first. 4 Chicken blood collection 4. 1 Location: pterygoid vein 4.2 Method: Keep the chicken wings straight to 30 degrees, detoxify the pterygoid vein, and the operator stands or squats. After the blood flows out, fix the blood collector, withdraw the piston, press the blood collection position with a dry cotton ball and pull out the blood collector, and continue to press the blood collection position1~. 5. Blood collection from dogs and cats 5. 1 Location: median vein of forelimb 5.2 Method: Lie flat on Baoding plant, cut off the hair of the median vein of the inner forelimb and disinfect it, and the assistant holds the elbow tightly to make the vein full of life. The operator holds the blood collector, punctures the median vein in parallel, and pulls back the piston of the blood collector. After blood collection, the sterile cotton ball compresses the blood collection site 1 min.