Understanding PRRS shedding patterns in our sow herds may help us to create and refine strategies during PRRS elimination attempts that can shorten herd closure times and increase chances of success. This podcast by Dr. Christine Mainquist-Whigham, Director of Health for DNA Genetics Nucleus and Pillen Family Farms, reviews two case studies that examine PRRS shedding patterns, along with several conclusions and recommendations to help swine producers in their PRRS management strategies.