(

a) Cattle, calves, horses, mules, sheep, swine, goats, or fallow deer, or poultry shall be slaughtered by the methods prescribed in this section. No state agency shall contract for, purchase, procure, or sell all or any portion of any animal, unless that animal is slaughtered in conformity with this chapter. This

chapter applies to any person engaged in the business of slaughtering animals enumerated in this section, or any person slaughtering any of those animals when all, or any part of, that animal is subsequently sold or used for commercial purposes. (

b) All cattle, calves, horses, mules, sheep, swine, goats, or fallow deer subject to this part, or poultry subject to

Part 1 (commencing with

Section 24501) of,

Part 2 (commencing with

Section 25401) of, and

Part 3 (commencing with

Section 26401) of, Division shall be slaughtered by either of the following prescribed methods:

(1) The animal shall be rendered insensible to pain by a captive bolt, gunshot, electrical or chemical means, or any other means that is rapid and effective before being cut, shackled, hoisted, thrown, or cast, with the exception of poultry which may be shackled.

(2) The animal shall be handled, prepared for slaughter, and slaughtered in accordance with ritual requirements of the Jewish or any other religious faith that prescribes a method of slaughter whereby the animal suffers loss of consciousness by anemia of the brain caused by the simultaneous and instantaneous severance of the carotid arteries with a sharp instrument. This

section does not apply to the slaughter of spent hens and small game birds, as defined by the department by regulation.