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Minor Expansion in US Hog Herd Confirmed

As expected, the USDA’s latest quarterly hogs and pigs report confirmed some minor expansion in the US hog herd. 

Released Thursday, the report pegged the total US inventory of all hogs and pigs as of March at 72.86 million head, up about 0.2% from 72.68 million on the same date last year. Pre-report expectations were for a slightly more aggressive year-over-year increase of 0.3%. 

The March 1 breeding inventory, at 6.13 million head was up roughly 0.5% on the year, compared to trade ideas of 0.6%. The number of market hogs came in at 66.73 million, an increase of about 0.2% from 66.59 million a year ago, but still also slightly below expectations. 

The December 2022-February 2023 pig crop, at 32.1 million head, was up slightly from last year. Sows farrowing during this period totaled 2.91 million head, down slightly from previous year. The average pigs saved per litter was 11.02 for the December 2022-February 2023 period, compared to 10.95 last year.  

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Do Stress-Resilient Sows Raise Better Piglets? - Dr. Andrea Luttman

Video: Do Stress-Resilient Sows Raise Better Piglets? - Dr. Andrea Luttman?



In this special rerun episode of The Swine it Podcast Show Canada, Dr. Andrea Luttman from Michigan State University explores how gestational social stress affects sow resilience and piglet development. She explains physiological indicators like cortisol patterns, behavioral differences, and their implications for long-term performance. Listen now on all major platforms!

“Resilience to stress means animals are either minimally affected or can recover quickly after experiencing a stressor.”

Meet the guest: Dr. Andrea Luttman / andrea-luttman-47ab74171 is an Assistant Professor at Michigan State University specializing in swine production systems management. She earned her Ph.D. in Genetics and Genome Sciences and focuses her research on swine physiology and stress resilience. Her work examines social stress in gestating sows, offspring development, breeding herd longevity, and gene-environment interactions to improve production efficiency and sustainability. Hear Dr. Luttman on The Swine it Canada Podcast Show, available on all major platforms.