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January 10, 2017

USDA detects Eurasian lineage H5 Avian Influenza in a wild mallard duck in Montana

The United States Department of Agriculture’s (USDA) Animal and Plant Health Inspection Service (APHIS) has detected the presence of Eurasian/North American reassortant H5N2 avian influenza in a wild mallard duck in Fergus County, Montana.  No illness or mortalities in domestic poultry in the U.S. have been detected.

The sample, taken from a hunter-harvested bird through routine surveillance, was tested at the Colorado State University Veterinary Diagnostic Laboratory and forwarded to USDA’s National Veterinary Services Laboratories in Ames, Iowa. Characterization of the sample is ongoing. “This appears to be one of the strains we saw during the outbreak in 2014 and 2015,” said Dr. Jack Shere, USDA Chief Veterinarian. “This finding serves as a powerful reminder that there is still avian influenza circulating in wild birds, and producers and industry need to continue to be vigilant about biosecurity to protect domestic poultry.”  Read More

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