July 7, 2008
Porcine reproductive and respiratory syndrome (PRRS) virus imposes devastating effects on swine health and productivity. Vaccination of animals is one way to reduce losses from infectious diseases...April 17, 2006
Porcine reproductive and respiratory syndrome (PRRS) virus imposes devastating effects on swine health and productivity. In the U.S., PRRS virus causes approximately $560 million in losses each year....
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