Porcine reproductive and respiratory syndrome (PRRS) is a viral infection that is estimated to cost producers in the region of £70 a sow a year and £3.50 a finisher. Many different factors can affect disease development, severity and circulation, so having a methodical approach to prevention and control is key, says Andrew Palmer, knowledge exchange manager at AHDB Pork. “Although present year-round, PRRS tends to flare up during autumn and winter. This is most likely down to the environmental conditions […]