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Ohio - Avian flu in mammals 2024-2025

Hat tip to Lance for posting the WOAH report:
https://wahis.woah.org/#/in-review/4451

Excerpt:

UPDATED OUTBREAKS

OUTBREAK REFERENCE
OH 001
Ohio
Farm
Wood County
A commercial dairy premises. Clinical signs in lactating cattle included decreased feed consumption, drop in milk production and yellow/thickened milk. HPAI H5N1 clade 2.3.4.4b was detected in a barn cat on the affected premises.

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Detections of Highly Pathogenic Avian Influenza in Mammals

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https://www.aphis.usda.gov/livestock-poultry-disease/avian/avian-influenza/hpai-detections/mammals
 
Last edited:
Ohio pork producers discuss worst-case scenarios from emerging diseases like HPAI

By Melissa Weber - February 19, 2025

LIMA, Ohio — Ohio pork producers should review their biosecurity plans and prepare for worst-case scenarios from emerging diseases like the bird flu, according to veterinarians who spoke at the recent gathering of the state’s pork producers.
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Ohio currently leads the country in bird flu detections with more than 60 flocks in western Ohio testing positive for the highly pathogenic avian influenza H5N1 virus in little over six weeks. More than 11.5 million birds in the infected flocks have been culled to prevent the spread of the virus.

“Pigs are at risk,” said Anna Forseth, DVM, director of animal health with the National Pork Producers Council. Ohio has more than 2.7 million hogs, according to U.S. Department of Agriculture data.

As of now, there is no official recommendation from the USDA or other agencies for how to manage H5N1 if it enters the swine population.
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Marisa Rotolo, DVM, director of swine health for the National Pork Board reminded attendees of the history of influenza in swine. Some researchers believe the 1918-1919 pandemic started in Kansas with a variety of avian influenza that moved to swine and then to people. U.S. soldiers carried the virus to Europe, where it spread rapidly and became known as the Spanish Flu. Mortality estiments vary from 25 million to 50 million deaths.
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The bird flu has also spilled over into humans, with 68 confirmed cases and eight probable cases of bird flu in humans, including one case in a poultry farm worker in Mercer County, Ohio.

Rotolo recommended establishing biosecurity protocols that limit outside visitors from entering hog facilities. The concern, though, is not as much for the workers as for the pigs.

“Human-to-pig infection is more likely than swine to people,” Rotolo said. She encouraged producers — and their employees — to take advantage of annual flu vaccinations to prevent spreading illness to their herds.
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https://www.farmanddairy.com/news/o...-from-emerging-diseases-like-hpai/859783.html
 
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