Complex sentence: Jewish law (halakha) prescribes that the animal is fully sensible before slaughter and Jewish expertise claims that the severing of the animal's carotid arteries, jugular veins and vagus nerve provides a stun more effective that many other methods otherwise permitted.
Split into simpler sentences: Jewish law (halakha) prescribes that the animal be fully sensible before slaughter. Proponents of these slaughter methods claim that the severing of the animal's carotid arteries, jugular veins and vagus nerve provides a stun more effective that many other methods otherwise permitted.