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Chick-News.com Poultry Industry News, Comments and more by Simon M. Shane

Air Sampling with Subsequent PCR to Diagnose Poultry Diseases

12/27/2020

Force Technology of Horsholm, Denmark has developed a hand-held air sampler with a removable chamber that retains pathogens for subsequent PCR assay. The AeroCollect ® device is deployed in the house while traversing the flock.  The collection chamber is then removed and submitted to a diagnostic laboratory with request for specific PCR assays for designated pathogens. Results are transmitted electronically to submitters often within the same day.

 

The system obviously requires cooperation from a suitably equipped diagnostic laboratory.

 

In Denmark the system was developed to monitor for the presence of Salmonella and Campylobacter in broiler flocks, since their status determines whether or when birds are harvested and processed.

 

The manufacturers of AeroCollect ® claim that a wide range of viral and bacterial diseases can be diagnosed but obviously would be limited by the PCR tests the lab can conduct.  There is no indication of cost for either the hand-held sampler or subsequent laboratory assay.

 

The application of air sampling as a diagnostic procedure offers advantages over submission of specimens from individual sick or dead birds.Representative air sampling may preemptively detect the presence of a pathogen before the appearance of clinical signs.  This might be of value in surveillance of contact flocks following an outbreak of a catastrophic disease such as avian influenza within a control zone.

 


 
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