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 ...
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