Aug. 20 presentations will feature Julie Walker, professor and SDSU Extension Beef Specialist, on managing open females and John Jaeger, professor and SDSU Extension Beef Specialist, on limit-feeding beef cows in a drylot. Other SDSU Extension experts plan to bring additional information to the booth:Kaylyn Rudy, SDSU Extension Swine Field Specialist, and Rafe Royall, assistant professor and SDSU Extension Swine Specialist on swine biosecurity and nutrition. Kyle Beach, SDSU Extension 4-H Program Manager and Regional Youth Educator and Michelle Barrett, SDSU Extension 4-H Educator – Hughes and Stanley counties, on 4-H opportunities. Robin Salverson, SDSU Extension Cow/Calf Field Specialist; John Jaeger, professor and SDSU Extension Beef Specialist; Taylor Grussing, SDSU Extension Cow/Calf Field Specialist; Warren Rusche, assistant professor and SDSU Extension Feedlot Management Specialist; and Julie Walker, professor and SDSU Extension Beef Specialist. For more information on BQA, visit http://www.bqa.org/beef-quality-assurance-certification/online-certifications or contact Robin Salverson, SDSU Extension Cow/Calf Field Specialist, at Robin.Salverson@sdstate.edu or 605-374-4177.