Animal health agencies say the variant of highly pathogenic avian influenza was found in a Mississippi broiler breeder flock.
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 ...
The latest outbreak of H7N9 was detected on a farm of 47,654 commercial broiler breeder chickens in Noxubee, Mississippi.
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