Program for 4th U.S. BVDV Symposium January 25 - 27, 2009 Phoenix, Arizona   Opening Reception - January 25 Sponsored by IDEXX   Day 1 - January 26   7:00-8:00 Breakfast Sponsored by Ft. Dodge Animal Health   8:00 Opening Remarks  Dr. Christopher Chase   Session 1 BVDV Host Range and Transmission Session Chairs:  Drs. Christopher Chase and Rob Tremblay   8:15  Detection and Impact of BVDV in Zoos and Wildlife Parks  Dr. Jim Evermann Washington State University, Pullman, WA   8:45    Detection and Impact of BVDV in Wild Ruminants  Dr. Julia Ridpath National Animal Disease Center, ARS, USDA, Ames, IA   9:30  BVDV in Alpaca  Dr. Clayton Kelling University of Nebraska, Lincoln, NE   10:00-10:30  Break Sponsored by Intervet/Shering-Plough Animal Health      10:30 BVDV Testicular Infection in Cattle: Incidence and Significance  Dr. Daniel Givens Auburn University, Auburn, AL   11:00 Bovine viral diarrhea virus variability and prevalence of BVDV subtypes in persistently infected cattle entering feedlots: BVDV1b as predominant subtype Dr. Robert Fulton Oklahoma State University, Stillwater, OK   11:15 Experimental exposure of pregnant alpacas to different genotypes of bovine viral diarrhea virus Misty Edmondson Auburn University, Auburn, AL   11:30 Seroprevalence to BVDV of alpacas in Southern California Lisa Shimeld Crafton Hills College, Yucaipa, CA   11:45 Assessment of the epidemiologic risk of transmission of bovine viral diarrhea virus via in vivo-derived bovine embryos Dr. Julie Gard Auburn University, Auburn, AL   12:00 Maintenance of bovine viral diarrhea virus in white-tailed deer (Odocoileus virginianus) following exposure to persistently infected cattle Dr. Paul Walz Auburn University, Auburn, AL   12:15-1:30 Lunch Sponsored by Pfizer Animal Health    Session 2 Virulence in BVDV and pestiviruses Chairs Drs. Hana Van Campen and Julia Ridpath   1:30 Fetal and Maternal Gene Expression during BVDV Fetal Infection  Dr. Thomas Hansen Colorado State University Ft. Collins, CO    2:15 BVDV in feedlots: Concurrent infections and other factors  Dr. John Campbell University of Saskatchewan, Saskatoon, Canada   3:00-3:30  Break Sponsored by Intervet/Shering-Plough Animal Health   3:30  How BVDV escapes and subverts immune defenses  Dr. Ernst Peterhans University of Bern, Bern, Switzerland              4:15 Comparing CP and NCP BVDV Vaccines: Antigen Trafficking Increased to Mucosal Surfaces with NCP Vaccines Dr. Christopher Chase South Dakota State University, Brookings, SD   4:30 BVDV infection alters toll-like and TNF-N1 receptor signaling in bovine aortic endothelial cells Dr. John Neill National Animal Disease Center, ARS, USDA, Ames, IA   4:45 Antiviral treatment of calves persistently infected with bovine viral diarrhea virus Benjamin Newcomer Auburn University, Auburn, AL   5:00 Development of a quantification method to specific anti-NS3 antibodies against BVDV using a blocking ELISA Dr. Stephane Guillossou Kansas State University, Manhattan, KS   5:15 Comparison of sample types and location of skin biopsies for BVDV detection using antigen capture ELISA testing Brian VanderLey Iowa State University, Ames, IA   5:30-7:00  Poster session Sponsored by Intervet/Shering-Plough Animal Health   Authors will be by their posters from 6:00 to 7:00     Day 2,  January 27   Session 3 Role of Vaccination in a BVDV Control Program Chairs:  Drs. Dan Grooms and Dale Grotelueschen   7:00-8:00 Breakfast Sponsored by Fort Dodge Animal Health   8:00  Use of vaccines in a BVDV control/eradication program  Dr. Steve Bolin Michigan State University, Lansing, MI   8:45 BVDV vaccination and prevention of reproductive infections  Dr. Kenny Brock Auburn University, Auburn, Alabama   9:30 BVDV and vaccination of the young animal  Dr. Jim Roth Iowa State University, Ames, IA   10:15-10:45  Break Sponsored by Boehringer Ingelheim Vetmedica Inc   10:45 Precolostral screening of newborn calves for the detection of BVDV in large dairy herds Dr.  Jeremy Schefers Minnesota State University, St. Paul, MN   11:00 Determining the prevalence of BVDV persistently infected calves originating from well vaccinated Western dairy herds Dr. Tom Shelton Intervet Schering-Plough, Washington, UT   11:15 A programmed approach to BVDV eradication in the Upper Peninsula of Michigan beef and dairy herds Dr. Ben Bartlett Michigan State University, Lansing, MI   11:30  noon BVDV Research Needs and Coordinating Efforts of NCBA, AABP, AVC and USAHA BVDV Control Committees  Dr. Robert Fulton Oklahoma State University, Stillwater, OK   12:00 Lunch Sponsored by Pfizer Animal Health   Luncheon speaker Farmer's motivations and obstacles to enter in and comply to a voluntary BVDV control plan Dr. Christine Fourichon Veterinary School of Nantes, Nantes, France   1:00 Closing Remarks Dr. Christopher Chase     CE PROGRAM ANNOUNCEMENT     The American Association of Veterinary State Boards RACE (Registry of Approved Continuing Education)     The 2009 BVDV Symposium Program has been approved for 13 hours of continuing education credit in jurisdictions which recognize AAVSB RACE approval for veterinarians and veterinary technicians; however participants should be aware that some boards have limitations on the number of hours accepted in certain categories and/or restrictions on certain methods of delivery of continuing education. Call Dr. Robert P. Ellis (CRWAD), 970-497-5740, for further information.   The Continuing Education sign-up sheets for participating veterinarians and veterinary technicians are available at the registration table.  Your Continuing Education Certificate of Attendance will be mailed to you upon the completion of the course.  If you have any questions please direct them to Dr. Ellis.