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Brainstem removal using compressed air for subsequent bovine spongiform encephalopathy testing
Reza Hejazi1, Allison J Danyluk
1Canadian Food Inspection Agency, 1410 Caribou Street West, Moose Jaw, Saskatchewan. hejazir@inspection.gc.ca
Summary
Compressed air was used to extract the obex, a brain part crucial for detecting bovine spongiform encephalopathy, via a skull hole created by a captive bolt stunner.
Area of Science:
- Veterinary pathology
- Neurology
- Animal health
Background:
- Bovine spongiform encephalopathy (BSE) surveillance requires accurate testing of brain tissue.
- The obex is a key brainstem region for BSE diagnosis.
- Current methods for obex retrieval can be invasive or challenging.
Purpose of the Study:
- To describe a novel method for obex retrieval using compressed air.
- To evaluate the efficacy of compressed air expulsion for obex collection.
Main Methods:
- A captive bolt stunner was used to create a cranial opening.
- Compressed air was then applied to expel the obex through the created hole.
- The expelled obex tissue was collected for analysis.
Main Results:
- The compressed air method successfully expelled the obex in tested subjects.
- The retrieved obex samples were suitable for subsequent diagnostic testing.
- This technique offers a potentially less invasive alternative for obex collection.
Conclusions:
- Compressed air expulsion is a viable method for obtaining the obex for BSE testing.
- This technique may improve the efficiency and safety of sample collection for animal disease surveillance.