A process for the hygienic extraction and separate collection of animal blood fit and unfit for consumption, comprises stunning the animals prior to stabbing and providing the animals with serial numbers suitable for identification of the carcass and the blood to be extracted. The spot of stabbing on the throat of the animals is disinfected and the animals are cyclically stepped into a stabbing position. The animal is stabbed in the stabbing position with a disinfected stabbing tool which is exchanged for each animal and is provided with a closed outlet a hose-fitted hollow knife. The hygenic blood is extracted through the stabbing tool into one of a plurality of rotating blood collecting tanks arranged on a turntable and moved into an extracting position. An anticoagulant is added to the blood by gravity feed and after filling, the tanks are advanced toward into a first draining position for blood fit for consumption. If all the numbered carcasses pertinent to the blood in the tank in the first drawing position are held impeccable from the point of view of animal healthy examination, a control body effects the draining the blood from the collecting tank into a system for blood fit for consumption. If not impeccable, the tank is advanced with the blood in it forward to a second draining position and drained into a system for blood unfit for consumption. The drained tanks are washed and disinfected and advanced into the extracting position.