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United States hog inventory up slightly

As of Sept. 1, there were 74.3 million hogs and pigs on U.S. farms, up slightly from September 2022 and up 2% from June 1, 2023, according to the Quarterly Hogs and Pigs report published today by the U.S. Department of Agriculture’s National Agricultural Statistics Service (NASS).

Other key findings in the report were:

  • Of the 74.3 million hogs and pigs, 68.2 million were market hogs, while 6.08 million were kept for breeding.
  • Between June 2023 and August 2023, 34.2 million pigs were weaned on U.S. farms, up slightly from one year earlier.
  • From June 2023 through August 2023, U.S. hog and pig producers weaned an average of 11.61 pigs per litter.
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Intrauterine Vaccines in Swine - Dr. Heather Wilson

Video: Intrauterine Vaccines in Swine - Dr. Heather Wilson



In this episode of The Swine it Podcast Show Canada, Dr. Heather Wilson from VIDO at the University of Saskatchewan explains how intrauterine vaccination is being developed as a new option for swine health. She shares how formulation, adjuvants, and delivery methods influence immune responses and what early trials reveal about safety and reproductive performance. Listen now on all major platforms.

"The idea was that an intrauterine vaccine might avoid a tolerance response and instead create an active immune response."

Meet the guest: Dr. Heather Wilson / heather-wilson-a8043641 is a Senior Scientist and Program Manager at the Vaccine and Infectious Disease Organization at the University of Saskatchewan. Her work centers on vaccine formulation and delivery in pigs, including the development of intrauterine vaccination to support reproductive health and passive protection of piglets. Her background spans biochemistry, immunology, and functional pathogenomics.