Historically, research facilities have employed soiled-bedding sentinel animals to help monitor the health status of their rodent colonies. Because this method has, over the years, been tested and found to be less effective than previously believed, Allentown and Charles River Laboratories worked together to develop the Exhaust Air Dust collection methodology – or EAD® – a system that does not require soiled-bedding sentinel animals. Instead, it captures and samples the aggregate exhaust air from the IVC using a patented collection media that attracts dust particles but doesn't load like a filter or impact airflow. This new protocol has been twice tested by the University of Chicago and found to decrease the number of sentinel animals needed, increase the efficiency and number of agents detected, and reduce the overall cost of sentinel programs. This month, Allentown and the University of Chicago will present a webinar to review their research and discuss the history of sentinel programs – past, present, and future.
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