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US swine inventory expected to further decline - USDA ERS

It is generally acknowledged that 2023 was a difficult year for US hog producers, according to the most recent USDA Livestock, Dairy and Poultry Outlook report. Iowa State University calculates that monthly producer losses last year averaged more than $24 per head.

The December 2023 Quarterly Hogs and Pigs showed a year-over-year reduction in the December 1 breeding inventory of more than 3%. Sow slaughter data issued weekly by USDA suggests that reductions in the US breeding inventory are likely continuing. 

For weeks 1–7 of 2024, USDA data show that sow and boar slaughter increased about 5.8% over the same period last year. A continuation of the trend established in the first 7 weeks of 2024 would further downsize the inventory of breeding animals. Fewer breeding animals usually means fewer farrowings, which are typically associated with smaller pig crops, depending on litter rates. In general, smaller pig crops usually result in higher hog prices.

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How Data Predicts Swine Outbreaks - Swaminathan Jayaraman

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In this episode of The Swine it Podcast Show Canada, Swaminathan Jayaraman, Research Assistant and PhD Candidate at Iowa State University College of Veterinary Medicine, explains how integrated data systems can improve disease surveillance in swine production. He discusses combining diagnostics, animal movement data, production records, and spatial analytics to identify risks earlier and support proactive decision-making for PRRS, PED, and swine influenza. Listen now on all major platforms!

"Disease surveillance remains largely reactive because outbreaks are often confirmed only after transmission has already occurred across multiple connected production sites."

Meet the guest: Swaminathan Jayaraman / swamjay is a Graduate Research Assistant at Iowa State University College of Veterinary Medicine. With academic training in management information systems and engineering, he focuses on integrating diagnostic, production, and movement data to improve disease surveillance and decision support in swine production systems. Listen to Swaminathan Jayaraman on The Swine it Podcast Show Canada, available on all major platforms.