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Commentary: The devastating legacy of Canada's Mad Cow Crisis

The Mad Cow Crisis started 20 years ago this week. For most Canadians, May 20, 2003, means little. But for the beef industry, the situation was nothing less than dreadful. It brought devastation, bankruptcies, and broken families. It was a nightmare.

On May 20, 2003, the Canadian Food Inspection Agency declared that a black Angus cow originating from northern Alberta had been detected with bovine spongiform encephalopathy (BSE), also known as Mad Cow disease. In response, the United States promptly imposed a ban on Canadian beef and cattle imports, leading to approximately 40 other nations taking similar measures.

Mad cow disease is a fatal illness that gradually deteriorates cattle’s brain and spinal cord. Although humans cannot contract mad cow disease, there is a rare possibility of developing a human variant called variant Creutzfeldt-Jakob disease (vCJD), which is also fatal. Over time, vCJD causes degeneration of the brain and spinal cord. According to the U.S. Centers for Disease Control and Prevention, more than 500 Americans die every year exhibiting symptoms that match those of the disease. An autopsy is required to properly diagnose the disease.

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What It Takes to Stop African Swine Fever - Dr. Jishu Shi

Video: What It Takes to Stop African Swine Fever - Dr. Jishu Shi



In this episode of The Swine it Podcast Show Canada, Dr. Jishu Shi, Professor of Vaccine Immunology at Kansas State University, discusses African swine fever prevention and vaccine development. He explains why ASF differs from classical swine fever and swine influenza, how the disease threatens trade and pork production, why immunization safety remains a critical hurdle, and what producers can do now to reduce the risk of introduction. Listen now on all major platforms!

"Before a safe and efficacious vaccine for ASF can be commercialized, what we really have is prevention."

Meet the guest: Dr. Jishu Shi is Professor of Vaccine Immunology and the Dr. Wayne & Hilda Appleton Endowed Professor at Kansas State University’s College of Veterinary Medicine. He directs the Center on Biologics Development and Evaluation and the U.S.-China Center for Animal Health. A veterinarian and vaccine immunologist, Dr. Shi has focused on vaccines for pigs and has worked on African swine fever vaccine development, control, diagnostics, and international training since 2018. Learn more from Dr. Jishu Shi on The Swine it Podcast Show Canada, available on all major platforms.