July 15 (Reuters) - Oklahoma has detected bird flu in a herd of dairy cattle, the state's agriculture department said on Friday, making it the 13th U.S. state to find the virus.

 

The positive sample of highly pathogenic avian influenza (HPAI) was collected by a farm in April and recently submitted to the U.S. Department of Agriculture's Animal and Plant Health Inspection Service (APHIS) for testing. The herd has fully recovered and the farm has not reported any other cases of HPAI, the department said.

 

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