 For the meat to be lawful (Halal) according to Islam, it must come from an animal which is a member of a lawful species and it must be ritually slaughtered, i.e.according to the Law, or the sole code recognized by the group as legitimate.The animal is killed in ways similar to the Jewish ritual with the throat being slit (dabh), resulting in a quick drop in blood pressure, restricting blood to the brain.