Care must be taken that the nervous system is not damaged, as this may cause the animal to die before exsanguination has taken place. During the swipe of the blade, the head must not be decapitated, since it is impermissible for the blade to touch the spinal cord.
Occlusions slow blood loss from the carotids and delay the decline in blood pressure that prevents the suffering brain from blacking out. In one group of calves, 62.5 percent suffered from ballooning. Even if the cut to the neck is clean, blood is carried to the brain by vertebral arteries and it keeps cattle conscious of their pain.
"azonnal meg kell halnia, nem szenvedhet", aha.