Slaughter is the most concentrated welfare event in an animal's life. Standards for cattle stunning and slaughter have improved substantially but remain variable across UK abattoirs.
Improperly applied captive bolt causes pain and distress without inducing unconsciousness — the animal must then be re-stunned. Monitoring data from UK abattoirs shows variable captive bolt accuracy rates, with some plants performing below acceptable welfare thresholds. Religious slaughter without pre-stunning remains the most controversial welfare issue in UK food production, with scientific consensus that it causes suffering during the dying process compared to pre-stunned slaughter.