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USDA Says H5 Avian Flu Detection in Wisconsin Dairy Herd is New Spillover Event

By Chris Dall

The US Department of Agriculture (USDA) Animal and Plant Health Inspection Service (APHIS) confirmed last week that the recent detection of highly pathogenic avian influenza (HPAI) in a Wisconsin dairy herd represents a new spillover event from wildlife.

In a December 19 update, APHIS said whole-genome sequencing confirmed that the virus detected in a Wisconsin dairy herd on December 14 is H5N1 clade 2.3.4.4b genotype D1.1, which was implicated in two spillover events in dairy herds in Nevada and Arizona earlier this year. The Wisconsin spillover event is considered separate from those two previous spillovers, APHIS said. No additional infected dairy herds have been detected.

Source : umn.edu

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Alternatives to Antibiotics - Dr. Luciana Rossi

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In this special re-run episode of The Swine Nutrition Blackbelt Podcast, we bring back our conversation with Dr. Luciana Rossi, Associate Professor at the University of Milan, who discusses alternatives to antibiotics in swine nutrition. She explores antimicrobial resistance, the role of functional ingredients, and the potential of biochar in improving gut health and sustainability. Tune in now on all major platforms!

"Biochar, a vegetable charcoal produced by pyrolysis, has shown potential in reducing diarrhea incidence and improving gut health in weaning piglets."

Meet the guest: Dr. Luciana Rossi https://www.linkedin.com/in/luciana-r... is an Associate Professor at the University of Milan, specializing in animal nutrition, biotechnology, and innovative feed strategies. Her work focuses on functional ingredients, edible vaccines, and alternatives to antimicrobials to improve swine health and sustainability. Her research advances nutritional solutions that reduce disease risk and environmental impact.