Comparison of biosecurity aspects between swine breeding herds with low and high incidence of porcine reproductive and respiratory syndrome virus outbreaks

摘要

Porcine reproductive and respiratory syndrome (PRRS) compromises the health of millions of pigs and costs the industry $664 million annually. To avoid the economic and animal welfare implications of a PRRS outbreak, swine producers adopt biosecurity measures targeted at decreasing the frequency of PRRS outbreaks. There is a critical need to better understand the effects of biosecurity aspects on frequency of PRRS outbreaks in breeding herds. Hie objective of this study is to describe key differencesin the biosecurity aspects of breeding herds with low PRRS incidence, compared to those with high PRRS incidence.