After July 1, 1967, no method of slaughtering livestock or handling in connection with the commercial slaughtering of livestock shall be utilized unless it is humane. Without limiting other methods as may be prescribed by the secretary of agriculture of the United States, pursuant to "Act of August 27, 1958," 72 Stat. 862, 7 U.S.C.A. 1902, the following methods are deemed humane:
(A) In the case of cattle, calves, horses, mules, sheep, swine, and other livestock, all animals are rendered insensible to pain by a single blow or gunshot or an electrical, chemical, or other means that is rapid and effective, before being shackled, hoisted, thrown, cast, or cut;
(B) By slaughtering in accordance with the ritual requirements of the Jewish faith or any other religious faith that prescribes a methods of slaughter whereby the animal suffers loss of consciousness by anemia of the brain caused by the simultaneous severance of the carotid arteries with a sharp instrument.