AAAP 2022 Webinar Series: Part 4 - Jordan

New IBV Variant Designated DMV/1639 | View Abstract
Brian Jordan 

Avian infectious bronchitis virus (IBV) causes an economically significant upper respiratory tract disease in chickens. Like most RNA viruses, IBV is genetically diverse due to a high mutation rate and then selection of these variants through host fitness and immune pressure. New IBV variants are continuously emerging, which complicates vaccination-based infectious bronchitis (IB) control. The most recent variant of IBV, DMV/1639, was originally isolated and characterized on the Delaware, Maryland, Virginia (DelMarVa) peninsula in 2011, but did not cause significant economic losses in the broiler industry until the winter of 2014/2015.

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Instructors

Brian Jordan

I began at the University of Georgia in 2001, and graduated with a Bachelor’s of Science in Agriculture (B.S.A.) degree in 2005. In the fall of 2007 I accepted a job in a small biochemistry laboratory in Athens, Georgia. This job taught me basic laboratory techniques necessary for a career in science, but was not research oriented. I realized during this time that I was most interested in research and began a PhD program in Poultry Science at the University of Georgia in 2008. After graduation in 2012, I began a Research Scientist post-doctoral position with Dr. Mark Jackwood at the Poultry Diagnostic and Research Center (PDRC) at the University of Georgia. In my two years of post-doctoral training, Dr. Jackwood and I conducted many vaccine/challenge experiments, evaluating both homologous and heterologous protection. We also began investigating IBV vaccine application and the inefficiencies associated with hatchery application of vaccines at this time. In August 2014 I accepted an Assistant Professor position at the University of Georgia with a split appointment in the Departments of Poultry Science and Population Health (PDRC). My focus is very much applied research, with a small amount of basic research when the need arises to support our poultry industry. In my time as an Assistant Professor, I have continued evaluating the spray application of IBV vaccines. From this work, my laboratory works with many integrators in the US and Canada to monitor vaccine “takes” and troubleshoot application issues with hatcheries. I have also continued to evaluate US vaccines and vaccine programs against new variants that have emerged in the last several years. Most recently, with a rise in the cross-protection concept in the US, I have begun researching the effects of cross protection on IB viruses, and the role it plays in viral evolution, if any.

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