TY - CPAPER AU - Joseph Hermann, MS, and Jeff Zimmerman, DVM, PhD; Mike Roof, PhD, and Kelly Burkhart, BS TI - How Much Virus Does It Take to Infect Young Pigs with PRRSV by Oral or Intranasal Routes? T2 - ISU Swine Disease Conference for Swine Practitioners DP - American Association of Swine Veterinarians DB - AASV Swine Information Library UR - https://www.aasv.org/library/swineinfo/ PY - 2004 DA - 2004/11/01 L1 - https://www.aasv.org/library/swineinfo/Content/ISU/2004/147.pdf ER -