OKLAHOMA CITY — The Oklahoma Department of Agriculture, Food and Forestry and the USDA Animal and Plant Health Inspection Service (APHIS) have confirmed a positive case of highly pathogenic avian influenza (HPAI) in a second commercial poultry flock in Adair County. HPAI was first detected in a separate Adair County flock on November 30.“We knew it was possible that HPAI may be detec...