Preliminary investigations into the use of microwave energy for reversible stunning of sheep

Small, A., McLean, D., Keates, H., Owen, J. S. and Ralph, J. (2013) Preliminary investigations into the use of microwave energy for reversible stunning of sheep. Animal Welfare, 22 2: 291-296. doi:10.7120/09627286.22.2.291


Author Small, A.
McLean, D.
Keates, H.
Owen, J. S.
Ralph, J.
Title Preliminary investigations into the use of microwave energy for reversible stunning of sheep
Journal name Animal Welfare   Check publisher's open access policy
ISSN 0962-7286
Publication date 2013-05
Year available 2013
Sub-type Article (original research)
DOI 10.7120/09627286.22.2.291
Volume 22
Issue 2
Start page 291
End page 296
Total pages 6
Place of publication St Albans, Herts, United Kingdom
Publisher Universities Federation for Animal Welfare
Collection year 2014
Language eng
Formatted abstract
Stunning prior to slaughter is commonly used to render the animal insensible to pain. However, for certain markets, stunning is disallowed, unless the animal can fully recover if not slaughtered. There are very few available methods of inducing a fully recoverable stun. This preliminary study investigates the potential for microwave energy application to be used to induce a recoverable stun in sheep. Cadaver heads were used to demonstrate that brain temperature could be raised to a point at which insensibility would be expected to occur (44°C). Trials on four anaesthetised sheep confirmed this finding in a live animal model where brain temperatures between 43 and 48°C were achieved with 20 s of microwave energy application. Although the applicator and process variables require some further development, this technology seems eminently suitable for use as an alternative method of inducing a recoverable stun
Keyword Animal Welfare
Electromagnetic
Humane slaughter
Insensibility stun
Sheep
Syncope
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2014 Collection
School of Veterinary Science Publications
 
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