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Welfare implications of the gas stunning of pigs. 2. Stress of induction of anaesthesia

By A. B. M. Raj, N. G. Gregory

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Category Journal Articles
Abstract

The severity of respiratory distress occurring before loss of posture during exposure to 20, 30, 40, 50, 60, 70, 80 or 90% CO2 in air; 2 or 5% residual oxygen in argon; 30% CO2 in argon with either 2 or 5% residual oxygen; or 40% CO2 in argon with either 2 or 5% residual oxygen, was subjectively determined in 6 groups of 6 pigs from their behaviour. The results indicated that exposure to 2% oxygen in argon (anoxia) induced little respiratory distress, 30% CO2 in argon with 2% residual oxygen induced a moderate distress and exposure to all the concentrations of CO2 in air induced severe respiratory distress in the pigs.

Date 1996
Publication Title Animal Welfare
Volume 5
Issue 1
Pages 71-78
ISBN/ISSN 0962-7286
Language English
Author Address Division of Food Animal Science, Department of Clinical Veterinary Science, University of Bristol, Langford Bristol BS18 7DY, UK.
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Tags
  1. Anesthesia
  2. Animal rights
  3. Animal slaughter
  4. Animal Treatment and Diagnosis (Non-Drug)
  5. Animal welfare
  6. Argon
  7. British Isles
  8. Carbon dioxide
  9. Commonwealth of Nations
  10. Developed countries
  11. Europe
  12. Great Britain
  13. Mammals
  14. OECD countries
  15. oxygen
  16. peer-reviewed
  17. Respiratory hypersensitivity
  18. Stress
  19. stunning
  20. Swine
  21. United Kingdom
Badges
  1. peer-reviewed