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Fig. 1 | Porcine Health Management

Fig. 1

From: Use of processing fluid samples for longitudinal monitoring of PRRS virus in herds undergoing virus elimination

Fig. 1

Time in weeks to achieve two consecutive negative results for PRRSv by RT-qPCR using processing fluids after herd exposure to MLV. Kaplan–Meier survival curve estimates for time to obtain two consecutive PRRS PCR-negative test on processing fluids (TTS). Cross marks represent censored data. The letter ‘n’ represents the number of study herds at risk at each point in time

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