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From ASF to COVID: How NAHLN Protects Animal Agriculture

The U.S. livestock and food sectors account for more than $150 billion in annual cash receipts. It's no wonder threats of foreign and emerging animal disease outbreaks are increasingly making headlines these days.

Since 2002, the National Animal Health Laboratory Network (NAHLN), created through the cooperation of the USDA-APHIS Veterinary Service, USDA's National Institute of Food and Agriculture (NIFA), and the American Association of Veterinary Laboratory Diagnosticians (AAVLD) has been helping protect these agricultural assets.

NAHLN, a network of federal, state and university-associated veterinary diagnostic laboratories that provide ongoing disease surveillance, responds quickly to disease events; communicates diagnostic outcomes to decision makers; and has the capability and capacity to meet diagnostic needs during animal disease outbreaks, NIFA wrote in its latest update.

Since it started, NAHLN has grown from 12 AAVLD laboratories to 60 AAVLD laboratories throughout the U.S. capable of testing large numbers of samples for specific disease agents.

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What Causes Ear Necrosis in Pigs? - Alison Jeffery

Video: What Causes Ear Necrosis in Pigs? - Alison Jeffery



In this episode of The Swine it Podcast Show Canada, Alison Jeffery, a PhD candidate at the University of Saskatchewan, discusses emerging research on ear necrosis in pigs. She explains the role of Fusobacterium necrophorum, how ear biting may introduce bacteria into damaged tissue, and what researchers are learning about disease progression, welfare, prevention, and future management tools. Listen now on all major platforms!

"Ear necrosis is not only an infectious disease challenge, it is also a welfare issue shaped by behavior, tissue damage, and the farm environment."

Meet the guest: Alison Jeffery / alison-jeffery is a PhD candidate in Large Animal Clinical Sciences at the University of Saskatchewan. Her research focuses on improving swine health and welfare by understanding and mitigating ear necrosis in pigs. Her background includes swine research, producer support, laboratory work, and studies in animal science and veterinary microbiology. Learn more from Alison Jeffery on The Swine it Podcast Show Canada, available on all major platforms.