Poultry Stunning and Slaughter Welfare

The method of stunning before slaughter is one of the most significant welfare interventions in poultry production, with substantial variation between methods in their effectiveness and welfare outcomes.

Key Facts

Water bath stunning involves electrical current through a shared water bath and has significant welfare concerns
Controlled atmosphere stunning using gas mixtures achieves unconsciousness before physical handling
The RSPCA and other welfare bodies recommend controlled atmosphere stunning as best practice for commercial poultry
Religious slaughter exemptions from stunning requirements remain controversial in several countries
Monitoring of stun effectiveness at line speed is a critical and often inadequate quality control measure

Welfare Considerations

Slaughter method is among the highest-impact welfare decisions in poultry production, affecting hundreds of millions of birds annually. Water bath stunning carries inherent risks of pre-stun shocks and inadequate stunning, while controlled atmosphere systems achieve unconsciousness before handling stress. Consumer demand for higher-welfare slaughter certification is creating market incentives for producers to upgrade systems.

What You Can Do

Choose poultry products certified under standards specifying controlled atmosphere stunning
Advocate for phasing out water bath stunning in national legislation
Support organizations researching and promoting humane slaughter methods
Encourage retailers to publish and improve their poultry slaughter welfare requirements