Originally Posted by tealamutt
Actually color is not really reliable unfortunately. Best way to know is to put the needle (no syringe) in first. If it sprays 10 feet in the air, ARTERY, if it pours out, vein.
This would only be true if you put the needle in the neck going down not up..............with the syringe attachment being the highest point if it is an artery it will spray....if it is a vein it will dribble out........if the syringe is going up into the neck then it will be hard to tell as the blood will just spill out as gravity takes over.
Color is not always an indicator......hence why most of the new vets are inserting the needle downward into the neck vein.