Animal health agencies say the variant of highly pathogenic avian influenza was found in a Mississippi broiler breeder flock.
The latest outbreak of H7N9 was detected on a farm of 47,654 commercial broiler breeder chickens in Noxubee, Mississippi.
The most well-known HPAI subtype circulating today is H5N1. Since early 2024, H5N1 has been causing outbreaks among cows ...
The United States has reported it's first outbreak of H7N9 avian influenza since 2017, on a poultry farm in Mississippi.
The USDA Animal and Plant Health Inspection Service (APHIS) has previously documented H7N9 low pathogenicity avian influenza (LPAI) in U.S. wild bird surveillance this year and in previous years, but ...
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