http://www.legislation.gov.uk/nisr/2011/407/regulation/7The Welfare of Animals (Slaughter or Killing) (Amendment) Regulations (Northern Ireland) 2011 (revoked)Animal rights and welfareRural developmentAnimalsBirdsenWELFARE OF ANIMALSStatute Law Database2023-02-08Expert Participation2014-05-21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .The killing of birds by exposure to gas mixturesF17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .