Effective stunning before slaughter is essential for poultry welfare, but method choice and implementation quality vary significantly across the industry.
Electrical water bath stunning creates welfare concerns at multiple points: conscious birds are shackled inverted by their legs, frightening handling during live-hang causes wing injuries, and improperly set electrical parameters result in inadequate stunning. Industry economic incentives favor speed over welfare assurance. Controlled atmosphere systems represent a meaningful welfare improvement by rendering birds unconscious before handling, but capital costs slow adoption. Consumer and regulatory pressure has driven some major processors toward higher welfare systems. Religious exemptions from pre-stunning requirements remain a contentious welfare and ethical debate.