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Opinion: Impact of hog disease can’t be underestimated

Canada is bracing for impact. The massive blow won’t shake china off the shelves, but rather, will arrive in the tiniest of forms — a virus or bacteria that can replicate itself and hitch a ride on almost anything, killing livestock in its wake.

The nation’s farmers and processors are preparing for a time when African swine fever reaches Canada, a possibility that becomes more likely each day. With attention, effort and funds, it appears the country is well positioned to thwart the worst ravages of the illness.

ASF can kill 50 to 100 percent of pigs in an infected barn, and an outbreak in North America could cause economic losses of US$5-$7 billion annually, based on U.S. Department of Agriculture estimates.

The disease is estimated to have cost Asia more than $150 billion already, with $130 billion of that in China alone, where the herd was devastated by the illness in 2019.

Canada has experience with industry-changing livestock illness. A relatively small outbreak of BSE caused billions of dollars in damage to the Canadian beef industry, starting in 2003, and some producers say they still haven’t recovered from its effects on markets and on other facets of the beef business.

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Assessing Welfare Resources During Late Finish - Dr. Anna Johnson & Emma Coursey

Video: Assessing Welfare Resources During Late Finish - Dr. Anna Johnson & Emma Coursey


In this episode of The Swine Nutrition Blackbelt Podcast, Dr. Anna Johnson from Iowa State University and Emma Coursey from the University of Illinois discuss research evaluating welfare resources during the late finishing stage on commercial swine farms. They explain how feeder management, water use, space allocation, and pig health influence welfare outcomes and practical on-farm management. Listen now on all major platforms!

"Small resource issues can become larger welfare problems when multiple stressors interact across finishing barns."

Meet the guests: Dr. Anna Johnson / anna-johnson-05028a14 is the Morrill Professor of Animal Behavior and Welfare at Iowa State University. She earned her Ph.D. in Animal Sciences from Texas Tech University and completed her master's degree in Applied Animal Behaviour and Welfare at the University of Edinburgh. Her research focuses on practical solutions that improve farm animal welfare, including sow productive lifetime, animal-human interaction, environmental enrichment, and Precision Livestock Farming.

Emma Coursey / emma-coursey-183810241 is pursuing a Doctor of Veterinary Medicine degree at the University of Illinois College of Veterinary Medicine after earning a bachelor's degree in Animal Science from Iowa State University. Her academic interests include swine health, production, and animal welfare, with research experience evaluating welfare resources in commercial finishing pigs.