For how long do infected boars shed PRRS into semen?

Infected boars can shed the Porcine Reproductive and Respiratory Syndrome (PRRS) virus into their semen for an extended period, and studies have shown that this duration can average around 43 days. This shedding is significant for disease transmission, especially since the virus can be present in the semen even after the clinical signs of the disease have resolved.

Understanding this duration is vital for managing biosecurity on farms and preventing the spread of PRRS through breeding and artificial insemination practices. By recognizing the time frame of viral shedding, producers can implement strategies to minimize risks and protect the health of their herd.