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What makes us stand out is the quality and independence of our contents. Find out about the authors who make it possible. Our goal is to generate a virtual community of advanced users in the sector.

Cesar Corzo

University of Minnesota - United States Author

89 Followers 4 Articles

As a swine veterinarian, my research interest focuses on understanding the epidemiological features of diseases to develop methodologies to prevent, control and ultimately eliminate pathogens from pig populations. I am specifically interested in biosecurity compliance and the role of endemic bacteria during primary pathogen elimination.

I coordinate the Morrison Swine Health Monitoring Project (MSHMP), funded by the USDA, Pork Checkoff and the Swine Health Information Center (SHIC). This voluntary project monitors the incidence and prevalence of high impact diseases such as the Porcine Reproductive and Respiratory Syndrome virus and Porcine Epidemic Diarrhoea in approximately half of the United States sow herd.

Updated CV 09-Jan-2019

Cesar Corzo 89 Followers 4 Articles

Articles 4

Something smells bad about PRRS. Is manure management playing a role in PRRS epidemiology?

The overall risk of a PRRS outbreak is 12 times higher during the first 15 days after pumping manure than the rest of the year.

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PRRSv elimination or control - What have we learned?

Consider these factors when deciding to eliminate or control PRRSv.

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Figure 1: PRRS time-to-stability observed according to the season when the outbreak occurred. Dashed line represents the overall mean value (43.9 weeks). Each box represents 50% of the data (percentiles 25-75) and the black line within the box represents the median (percentile 50), so half of the outbreaks had a TTS above this line and the other half below this line for each season.

PRRS time-to-stability variability in Midwestern US sow herds

Do outbreaks in the same farm have a similar time-to-stability? What factors can affect time-to-stability?

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Figure 1. Number of weekly cases (green dots) and exponentially weighted moving average (EWMA)(blue line) of the proportion of farms at risk participating in the MSHMP from 2009 to 2018. The epidemic threshold (red line) is calculated every two years and corresponds to the upper confidence interval of the percentage of outbreaks happening in the low risk season (Summer). The dates in the black boxes indicate when the EWMA curve crosses the epidemic threshold.

Porcine Reproductive and Respiratory Syndrome break recurrence

71% of the farms reporting a PRRS break today will report a break within the following two years. What makes them more susceptible?

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