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USDA Releases Findings from Comprehensive Study on Small Swine Operation

In a recent development, the U.S. Department of Agriculture (USDA) has unveiled the outcomes of an extensive study examining small swine operations—farms managing fewer than 1,000 hogs. This study, conducted in June and July 2021 by USDA’s National Animal Health Monitoring System (NAHMS) in collaboration with the National Agricultural Statistics Service (NASS), delves into health and production practices within this segment. Covering approximately 5,000 swine operations across 38 states, representing around 95% of small-scale U.S. swine farms, the report explores trends in health and disease management, pig movements, mortality rates, slaughter channels, and draws comparisons between small and large operations.

While the results from a concurrent study on larger operations, conducted from July 2021 to January 2022, are still pending, the released findings offer valuable insights into the dynamics of smaller swine operations. The National Pork Producers Council (NPPC) actively promoted the NAHMS-NASS study, urging pork producers to participate. The implications of these findings are significant for the pork industry, particularly in understanding the nuances of smaller operations that play a pivotal role as primary suppliers of niche-market products.

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Causal Impact Of PRRS Dosing - Dr. Edison Magalhaes

Video: Causal Impact Of PRRS Dosing - Dr. Edison Magalhaes


In this episode of The Swine Health Blackbelt Podcast, Dr. Edison Magalhaes from Iowa State University presents findings from a large-scale retrospective cohort study evaluating the causal impact of full-dose PRRS immunization on nursery mortality. Using production data and advanced analytical methods, he explains how confounding factors changed the interpretation of results and highlights practical lessons for veterinarians and producers making data-driven decisions. Listen now on all major platforms!

Click here to read the full research article: https://pmc.ncbi.nlm.nih.gov/articles...

"Raw production data can mislead immunization decisions when confounding factors hide the real value of full-dose PRRS protocols."

Meet the guest: Dr. Edison Magalhaes / edison-magalhaes-9b37b812a is an Assistant Professor in the Department of Animal Science at Iowa State University and holds degrees in Veterinary Medicine, Business Administration, and advanced training through MSc and PhD programs. His research applies data science and epidemiological methods to large scale swine production systems, helping transform production records into practical decisions for health and performance. Listen to The Swine Health Blackbelt Podcast featuring Dr. Edison Magalhaes on all major platforms.