Thoroughly shear the hair Select the area where the livestock vein is thick and straight and easy to see to shear the hair, then press the blood vessel at the proximal end to allow it to be fully exposed. After disinfection, the needle is injected with the needle according to the direction of the blood vessel.
Hot and cold water, especially in winter, due to the cold weather, the venous blood vessels of animals will have different degrees of contraction, and they may not look obvious. A wet towel of about 40°C may be used for sufficient hot compressing and constant scrubbing to allow the blood vessels to expand thermally, be easy to observe, and be easy to inject.
Raised upside down, bombing blood vessels, especially piglets and rabbits, etc. Intravenous injection of small livestock generally in the ears, originally blood vessels are not easy to find, if dehydration occurs again, blood vessels are more difficult to see. The two hind limbs of the livestock can be lifted so that the blood can be injected into the veins of the ear veins as far as possible so that the blood vessels can be filled to the utmost to be injected.
Needle injection should be qualified before injection, be sure to carefully check to see if the selected injection needle is sanitary, the model is qualified, whether there is cracks, whether the needle hole is smooth, the needle is sharp, with or without a prick, to avoid unnecessary injection Difficulties and medical incidents.
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