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Taking Some of the Guesswork Out of Winter Feed Challenges

This column usually focuses on research projects funded by the Beef Cattle Research Council (BCRC) through the Canadian Beef Cattle Checkoff that producers pay when they market cattle. But most individual research projects are like pieces of a jigsaw puzzle. Some of them may look interesting on their own, but they’re almost always a lot more informative when they’re put together with the other pieces of the puzzle to show the bigger picture.

That’s what extension (or “knowledge and technology transfer”) is about – turning science into cost-effective, useful solutions for producers. Historically, provincial agriculture departments were major players in extension, but many have pulled back from extension and redirected their staff towards government program delivery instead.

Private industry has partly filled this gap, but many producers remain skeptical about whether a sales rep’s advice is unbiased. As well, some production practices like grazing management and low-cost winter-feeding strategies aren’t “for sale.” There’s no profit motive for anyone but the adoptee, so there’s no clear driver for private industry to encourage their adoption.

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ASF Control Lessons - Dr. Mary-Louise Penrith

Video: ASF Control Lessons - Dr. Mary-Louise Penrith


In this episode of The Swine it Podcast Show Canada, Dr. Mary-Louise Penrith, Extraordinary Professor at the University of Pretoria, shares what decades of work have revealed about ASF control. She explains why vaccine development remains difficult, how human activity and food waste drive disease spread, why resistant pig populations are an important research area, and how strict biosecurity with the right disinfectants can help to stop transmission. Listen now on all major platforms!

"It's really a very human-driven disease because people move pigs, decide how they're raised, how they're sold, and good biosecurity can do anything to ensure control."

Meet the guest: Dr. Mary-Louise Penrith / mary-louise-penrith-2b12bb42 is an Extraordinary Professor in the Department of Veterinary Tropical Diseases at the University of Pretoria, South Africa. A veterinarian and internationally recognized researcher, she has dedicated decades to African swine fever epidemiology, control, and pig health, supporting FAO and WOAH initiatives while advancing research and education. Listen to Dr. Mary-Louise Penrith on the Swine Health Blackbelt Podcast, available on all major platforms.