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Avian Influenza Detected at Maryland Farm, Delmarva Poultry Farmers Urged to Take Precautions

By Rachel Sawicki

A Maryland chicken farm in Caroline County preliminarily tests positive for highly pathogenic avian influenza and Delmarva poultry owners are encouraged to take precautions.

This is the third season in a row that this particular strain of avian influenza has hit Delmarva, which Delaware State Veterinarian Karen Lopez says isn’t just unusual.

“This is the most devastating foreign animal disease outbreak, and persistent, long-standing loss of birds, cost to the United States, that we have ever seen in U.S. history," Lopez says.

Lopez says avian influenza is typically carried by waterfowl species like ducks, geese, and shorebirds that transmit it through nasal and eye secretion, feces, and feather dandruff to poultry like chickens, turkeys, and pheasants.

She adds it is imperative for farmers to follow biosafety procedures like cleaning and disinfecting equipment, wearing designated farm clothing and shoes, and using migratory bird deterrents.

Lopez says state or federal agriculture departments investigate every outbreak to try and determine how the disease was transmitted. 

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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.