Efficacy of a killed and modified live Porcine Reproductive and Respiratory

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Country: United States
Source: 1999 Allen D. Leman Swine Conference
Challenge strain(s): SDSU73

Key points:

  • The purpose of this study was to evaluate the potential benefits of an autogenous killed PRRS product when used in combination with Ingelvac PRRS vaccine to protect against PRRSV challenge.
     
  • Ingelvac PRRS MLV provided heterologous protection, whereas the use of a killed autogenous PRRS vaccine alone or in combination failed to provide protection or any added benefit.