15. 07.24 13:39 Close share menu HPAI hit resolved in Oklahoma - Dairy herd safe USDA confirms a case of Highly Pathogenic Avian Influenza in an Oklahoma dairy herd, emphasizing enhanced biosecurity measures. USDA confirms a case of Highly Pathogenic Avian Influenza in an Oklahoma dairy herd, emphasizing enhanced biosecurity measures. Source http://www.farms.com/ Close share menu