Bovine TB case in Sask. could have painful consequences

Jul 07, 2023

Two cows from a Saskatchewan ranch have tested positive for bovine tuberculosis, according to the Canadian Food Inspection Agency.

In February, the U.S. Department of Agriculture notified CFIA of a positive test for bovine TB in a tissue sample from a cow exported to an American feedlot from Saskatchewan in September 2022.

The herd of origin was tested in May, reactor animals slaughtered and two cases of bovine TB confirmed June 19.

The next steps could be painful for ranchers as CFIA officials begin to identify the origin of the infected cows and any contacts they may have had with other herds. Based on past circumstances, these measures have resulted in large-scale culling to stamp out the disease.

“The standard epidemiological approach will apply,” said Dr. Jamie Rothenburger, assistant professor at the University of Calgary’s faculty of veterinary medicine.

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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.