The United States Department of Agriculture (USDA), the Food and Drug Administration (FDA), and the Centers for Disease Control and Prevention (CDC) have reported the detection of the highly pathogenic avian influenza virus (HPAI) in dairy cattle across Texas, Kansas, and New Mexico, marking a rare occurrence in dairy cattle and the second in ruminants after goats. Found in unpasteurized milk and oropharyngeal swabs from farms with dead wild birds, this situation has prompted no safety concerns for the commercial milk supply or public health due to the efficacy of pasteurization. In response, state and federal agencies are enhancing testing and viral genome sequencing to understand the outbreak better, with the American Veterinary Medical Association (AVMA) and the American Association of Bovine Practitioners (AABP) emphasizing biosecurity and disease management to safeguard animal health.
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Original content
After investigating a disease that was primarily affecting elderly dairy cows in Texas, Kansas and New Mexico, this Monday, March 25, the United States Department of Agriculture (USDA), the Food and Drug Administration (FDA) and the Centers The CDC has announced that the causative pathogen is the highly pathogenic avian influenza virus (HPAI), which has been detected in laboratory samples obtained from some affected cows. This is the first time that HPAI has been identified as affecting dairy cattle and only the second time that HPAI has been detected in a ruminant, as it was recently detected in goats, as reported by Animal's Health. Earlier this month, H5N1 was found in goats in Minnesota on a farm where poultry tested positive for the first time. While it is too early to conclude that HPAI is responsible for the disease in all affected dairy cattle, this finding marks an important step toward confirming the cause. “The first detection of HPAI in dairy cattle in Texas and Kansas ...
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