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Report by the Animal Welfare Committee (AWC) on the welfare impacts on pigs of high concentration CO2 gas stunning and of potential alternative stunning methods

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First published:
16 October 2025
Last updated:

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Animal Welfare Committee (AWC): opinion on the welfare impacts on pigs of high concentration CO2 gas stunning and of potential alternative stunning methods , file type: PDF, file size: 460 KB

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The principle objectives of the advice are:

  • to inform government policy decisions on any future reform of pig stunning methods that might be needed
  • to inform government engagement with industry when considering best options for animal welfare
  • to provide direction for industry in adopting stunning technology

AWC was asked:

  • to address the evidence regarding the welfare impact on pigs of CO2 stunning as well as the evidence of welfare impacts on pigs of potential alternative stunning methods (e.g. inert gases, manual electrical, automated electrical)
  • to identify the best stunning methods for pigs for further commercial development and deployment by industry
  • to offer views on the commercial viability challenges of alternative methods