Risk Factors for PRRS Virus Infection and Resulting Challenges for Effective Disease Surveillance

Evidence of porcine reproductive and respiratory syndrome virus (PRRSV) circulation was confirmed on 35 per cent of the farms in this UK study. Active PRRSV infection was more likely on farms that used a live virus vaccine, were located in areas with many other pigs or had mortalities collected from the farm.
calendar icon 1 November 2012
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