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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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ASF Spread and Control Insights - Dr. Carles Vilalta

Video: ASF Spread and Control Insights - Dr. Carles Vilalta


In this episode of The Swine it Podcast Show Canada, Dr. Carles Vilalta, epidemiologist at IRTA CReSA in Spain, explains the current African swine fever situation, including origin, transmission, and control strategies. He highlights the role of human activity, wild boar dynamics, and biosecurity measures to protect commercial farms. Learn how surveillance and field actions shape disease containment. Listen now on all major platforms!

"ASF demonstrates slow animal to animal transmission despite high infectivity, making it a clumsy disease that depends heavily on human mediated spread."

Meet the guest: Dr. Carles Vilalta / carlesvilalta is an epidemiologist, swine veterinarian, and researcher at IRTA-CReSA in Spain. His work focuses on epidemiology, swine health, disease surveillance, and research support for government and industry programs. Learn more from Dr. Carles Vilalta on The Swine it Podcast Show Canada, available on all major platforms.