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U.S. Swine Herd Marks Four Years Without a Positive TGEV Case

By Abbey Canon

More than 500,000 PCRs from all age groups and farm types across 47 states have been tested since 2021.

Transmissible gastroenteritis is a highly contagious viral illness affecting swine of all ages, marked by symptoms such as diarrhea and vomiting. The disease is triggered by the TGE virus, which belongs to the Coronaviridae family. Piglets younger than two weeks often experience high mortality rates, though the fatality rate decreases as they age.

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CEO’s of the Industry with Patrick Joyce from Passel Farms

Video: CEO’s of the Industry with Patrick Joyce from Passel Farms

CEOs of the Industry, Jim Eadie sits down with Patrick Joyce of to discuss the rapid growth and evolution of one of the pork industry’s emerging large-scale operations.

The conversation explores the integration of Cactus Family Farms, the operational challenges of managing a multi-state farrow-to-finish system, and how Passel Farms is balancing scale with culture, leadership, and community impact through initiatives like Passel Provides.

Patrick also shares insights on Prop 12 repopulation projects, innovation in swine production, sustainability, animal welfare, and the future direction of the pork industry over the next decade.