USDA issued a Federal Order on Friday requiring that raw (unpasteurized) milk samples nationwide be collected and shared with USDA for testing of highly pathogenic avian influenza (HPAI) H5N1 in dairy ...
The mandate targeting bulk milk transporters and dairy processors is meant to help identify herds that have caught the virus, which has spread among livestock.
The nationwide outbreak of H5N1 Bird Flu was first detected in US dairy cattle in March 2024, according to the CDFA. Since then, 475 dairies in California have been affected, 14 from the Central ...